diff --git a/.changeset/friendly-masks-type.md b/.changeset/friendly-masks-type.md
new file mode 100644
index 0000000000..6f38ddefa3
--- /dev/null
+++ b/.changeset/friendly-masks-type.md
@@ -0,0 +1,5 @@
+---
+'@backstage/integration': minor
+---
+
+Add support for `token` for `bitbucketCloud` integration
diff --git a/.changeset/light-avocados-worry.md b/.changeset/light-avocados-worry.md
new file mode 100644
index 0000000000..a3605a1451
--- /dev/null
+++ b/.changeset/light-avocados-worry.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-scaffolder-backend-module-bitbucket-cloud': patch
+'@backstage/plugin-bitbucket-cloud-common': patch
+---
+
+Add support for `autocomplete` handler to provide autocomplete options for `RepoUrlPicker`
diff --git a/.changeset/selfish-turtles-jog.md b/.changeset/selfish-turtles-jog.md
new file mode 100644
index 0000000000..02506ec068
--- /dev/null
+++ b/.changeset/selfish-turtles-jog.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-scaffolder-backend': minor
+'@backstage/plugin-scaffolder-node': patch
+---
+
+Add support for `autocomplete` extension point to provide additional `autocomplete` handlers
diff --git a/.changeset/young-donuts-swim.md b/.changeset/young-donuts-swim.md
new file mode 100644
index 0000000000..edd854f6dc
--- /dev/null
+++ b/.changeset/young-donuts-swim.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-scaffolder-react': minor
+'@backstage/plugin-scaffolder': minor
+---
+
+Add support for `bitbucketCloud` autocomplete in `RepoUrlPicker`
diff --git a/packages/integration/api-report.md b/packages/integration/api-report.md
index f9a8426cf5..4c8e8accf2 100644
--- a/packages/integration/api-report.md
+++ b/packages/integration/api-report.md
@@ -186,6 +186,7 @@ export type BitbucketCloudIntegrationConfig = {
   apiBaseUrl: string;
   username?: string;
   appPassword?: string;
+  token?: string;
 };
 
 // @public @deprecated
diff --git a/packages/integration/src/bitbucketCloud/config.ts b/packages/integration/src/bitbucketCloud/config.ts
index 5ecabfedc4..32a2af9313 100644
--- a/packages/integration/src/bitbucketCloud/config.ts
+++ b/packages/integration/src/bitbucketCloud/config.ts
@@ -46,6 +46,11 @@ export type BitbucketCloudIntegrationConfig = {
    * See https://support.atlassian.com/bitbucket-cloud/docs/app-passwords/
    */
   appPassword?: string;
+
+  /**
+   * The access token to use for requests to Bitbucket Cloud (bitbucket.org).
+   */
+  token?: string;
 };
 
 /**
diff --git a/plugins/bitbucket-cloud-common/api-report.md b/plugins/bitbucket-cloud-common/api-report.md
index 0f4e82d5d1..34c245facc 100644
--- a/plugins/bitbucket-cloud-common/api-report.md
+++ b/plugins/bitbucket-cloud-common/api-report.md
@@ -12,11 +12,20 @@ export class BitbucketCloudClient {
     config: BitbucketCloudIntegrationConfig,
   ): BitbucketCloudClient;
   // (undocumented)
+  listProjectsByWorkspace(
+    workspace: string,
+    options?: FilterAndSortOptions & PartialResponseOptions,
+  ): WithPagination<Models.PaginatedProjects, Models.Project>;
+  // (undocumented)
   listRepositoriesByWorkspace(
     workspace: string,
     options?: FilterAndSortOptions & PartialResponseOptions,
   ): WithPagination<Models.PaginatedRepositories, Models.Repository>;
   // (undocumented)
+  listWorkspaces(
+    options?: FilterAndSortOptions & PartialResponseOptions,
+  ): WithPagination<Models.PaginatedWorkspaces, Models.Workspace>;
+  // (undocumented)
   searchCode(
     workspace: string,
     query: string,
@@ -200,9 +209,15 @@ export namespace Models {
     size?: number;
     values?: Array<TResultItem> | Set<TResultItem>;
   }
+  export interface PaginatedProjects extends Paginated<Project> {
+    values?: Set<Project>;
+  }
   export interface PaginatedRepositories extends Paginated<Repository> {
     values?: Set<Repository>;
   }
+  export interface PaginatedWorkspaces extends Paginated<Workspace> {
+    values?: Set<Workspace>;
+  }
   export interface Participant extends ModelObject {
     // (undocumented)
     approved?: boolean;
diff --git a/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.test.ts b/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.test.ts
index c5c0d604be..f625f0daf8 100644
--- a/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.test.ts
+++ b/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.test.ts
@@ -107,4 +107,59 @@ describe('BitbucketCloudClient', () => {
     expect(results).toHaveLength(1);
     expect(results[0].slug).toEqual('repo1');
   });
+
+  it('listProjectsByWorkspace', async () => {
+    server.use(
+      rest.get(
+        'https://api.bitbucket.org/2.0/workspaces/ws/projects',
+        (_, res, ctx) => {
+          const response = {
+            values: [
+              {
+                type: 'project',
+                slug: 'project1',
+              } as Models.Project,
+            ],
+          };
+          return res(ctx.json(response));
+        },
+      ),
+    );
+
+    const pagination = client.listProjectsByWorkspace('ws');
+
+    const results = [];
+    for await (const result of pagination.iterateResults()) {
+      results.push(result);
+    }
+
+    expect(results).toHaveLength(1);
+    expect(results[0].slug).toEqual('project1');
+  });
+
+  it('listWorkspaces', async () => {
+    server.use(
+      rest.get('https://api.bitbucket.org/2.0/workspaces', (_, res, ctx) => {
+        const response = {
+          values: [
+            {
+              type: 'workspace',
+              slug: 'workspace1',
+            } as Models.Workspace,
+          ],
+        };
+        return res(ctx.json(response));
+      }),
+    );
+
+    const pagination = client.listWorkspaces();
+
+    const results = [];
+    for await (const result of pagination.iterateResults()) {
+      results.push(result);
+    }
+
+    expect(results).toHaveLength(1);
+    expect(results[0].slug).toEqual('workspace1');
+  });
 });
diff --git a/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.ts b/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.ts
index 3ac005fe2b..f1b7d60e41 100644
--- a/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.ts
+++ b/plugins/bitbucket-cloud-common/src/BitbucketCloudClient.ts
@@ -69,6 +69,32 @@ export class BitbucketCloudClient {
     );
   }
 
+  listProjectsByWorkspace(
+    workspace: string,
+    options?: FilterAndSortOptions & PartialResponseOptions,
+  ): WithPagination<Models.PaginatedProjects, Models.Project> {
+    const workspaceEnc = encodeURIComponent(workspace);
+
+    return new WithPagination(
+      paginationOptions =>
+        this.createUrl(`/workspaces/${workspaceEnc}/projects`, {
+          ...paginationOptions,
+          ...options,
+        }),
+      url => this.getTypeMapped(url),
+    );
+  }
+
+  listWorkspaces(
+    options?: FilterAndSortOptions & PartialResponseOptions,
+  ): WithPagination<Models.PaginatedWorkspaces, Models.Workspace> {
+    return new WithPagination(
+      paginationOptions =>
+        this.createUrl('/workspaces', { ...paginationOptions, ...options }),
+      url => this.getTypeMapped(url),
+    );
+  }
+
   private createUrl(endpoint: string, options?: RequestOptions): URL {
     const request = new URL(this.config.apiBaseUrl + endpoint);
     for (const key in options) {
@@ -113,6 +139,8 @@ export class BitbucketCloudClient {
         'utf8',
       );
       headers.Authorization = `Basic ${buffer.toString('base64')}`;
+    } else if (this.config.token) {
+      headers.Authorization = `Bearer ${this.config.token}`;
     }
 
     return headers;
diff --git a/plugins/bitbucket-cloud-common/src/models/index.ts b/plugins/bitbucket-cloud-common/src/models/index.ts
index 8fce389a32..2cdc143d06 100644
--- a/plugins/bitbucket-cloud-common/src/models/index.ts
+++ b/plugins/bitbucket-cloud-common/src/models/index.ts
@@ -253,6 +253,28 @@ export namespace Models {
     values?: Set<Repository>;
   }
 
+  /**
+   * A paginated list of projects.
+   * @public
+   */
+  export interface PaginatedProjects extends Paginated<Project> {
+    /**
+     * The values of the current page.
+     */
+    values?: Set<Project>;
+  }
+
+  /**
+   * A paginated list of workspaces.
+   * @public
+   */
+  export interface PaginatedWorkspaces extends Paginated<Workspace> {
+    /**
+     * The values of the current page.
+     */
+    values?: Set<Workspace>;
+  }
+
   /**
    * Object describing a user's role on resources like commits or pull requests.
    * @public
diff --git a/plugins/scaffolder-backend-module-bitbucket-cloud/package.json b/plugins/scaffolder-backend-module-bitbucket-cloud/package.json
index 8e1fd1facd..e54f255094 100644
--- a/plugins/scaffolder-backend-module-bitbucket-cloud/package.json
+++ b/plugins/scaffolder-backend-module-bitbucket-cloud/package.json
@@ -46,6 +46,7 @@
     "@backstage/config": "workspace:^",
     "@backstage/errors": "workspace:^",
     "@backstage/integration": "workspace:^",
+    "@backstage/plugin-bitbucket-cloud-common": "workspace:^",
     "@backstage/plugin-scaffolder-node": "workspace:^",
     "fs-extra": "^11.2.0",
     "node-fetch": "^2.6.7",
diff --git a/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.test.ts b/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.test.ts
new file mode 100644
index 0000000000..0447ff2d28
--- /dev/null
+++ b/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.test.ts
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { BitbucketCloudClient } from '@backstage/plugin-bitbucket-cloud-common';
+import { handleAutocompleteRequest } from './autocomplete';
+import { InputError } from '@backstage/errors';
+
+describe('handleAutocompleteRequest', () => {
+  const client: Partial<BitbucketCloudClient> = {
+    listWorkspaces: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ slug: 'workspace1' }] }]),
+    }),
+    listProjectsByWorkspace: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ key: 'project1' }] }]),
+    }),
+    listRepositoriesByWorkspace: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ slug: 'repository1' }] }]),
+    }),
+  };
+
+  const fromConfig = jest
+    .spyOn(BitbucketCloudClient, 'fromConfig')
+    .mockReturnValue(client as BitbucketCloudClient);
+
+  it('should pass the token to the client', async () => {
+    const accessToken = 'foo';
+    await handleAutocompleteRequest({
+      token: accessToken,
+      context: {},
+      resource: 'workspaces',
+    });
+
+    expect(fromConfig).toHaveBeenCalledWith(
+      expect.objectContaining({ token: accessToken }),
+    );
+  });
+
+  it('should return workspaces', async () => {
+    const result = await handleAutocompleteRequest({
+      token: 'foo',
+      context: {},
+      resource: 'workspaces',
+    });
+
+    expect(result).toEqual({ results: [{ title: 'workspace1' }] });
+  });
+
+  it('should return projects', async () => {
+    const result = await handleAutocompleteRequest({
+      token: 'foo',
+      context: {
+        workspace: 'workspace1',
+      },
+      resource: 'projects',
+    });
+
+    expect(result).toEqual({ results: [{ title: 'project1' }] });
+  });
+
+  it('should return repositories', async () => {
+    const result = await handleAutocompleteRequest({
+      token: 'foo',
+      resource: 'repositories',
+      context: {
+        workspace: 'workspace1',
+        project: 'project1',
+      },
+    });
+
+    expect(result).toEqual({ results: [{ title: 'repository1' }] });
+  });
+
+  it('should throw an error when passing an invalid resource', async () => {
+    await expect(
+      handleAutocompleteRequest({
+        token: 'token',
+        resource: 'invalid',
+        context: {},
+      }),
+    ).rejects.toThrow(InputError);
+  });
+
+  it('should throw an error when there are missing parameters', async () => {
+    await expect(
+      handleAutocompleteRequest({
+        token: 'token',
+        resource: 'projects',
+        context: {},
+      }),
+    ).rejects.toThrow(InputError);
+  });
+});
diff --git a/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.ts b/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.ts
new file mode 100644
index 0000000000..31a2103088
--- /dev/null
+++ b/plugins/scaffolder-backend-module-bitbucket-cloud/src/autocomplete/autocomplete.ts
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { InputError } from '@backstage/errors';
+import { BitbucketCloudClient } from '@backstage/plugin-bitbucket-cloud-common';
+
+export async function handleAutocompleteRequest({
+  resource,
+  token,
+  context,
+}: {
+  resource: string;
+  token: string;
+  context: Record<string, string>;
+}): Promise<{ results: { title: string }[] }> {
+  const client = BitbucketCloudClient.fromConfig({
+    host: 'bitbucket.org',
+    apiBaseUrl: 'https://api.bitbucket.org/2.0',
+    token,
+  });
+
+  switch (resource) {
+    case 'workspaces': {
+      const result: string[] = [];
+
+      for await (const page of client.listWorkspaces().iteratePages()) {
+        const slugs = [...page.values!].map(p => p.slug!);
+        result.push(...slugs);
+      }
+
+      return { results: result.map(title => ({ title })) };
+    }
+    case 'projects': {
+      if (!context.workspace)
+        throw new InputError('Missing workspace context parameter');
+
+      const result: string[] = [];
+
+      for await (const page of client
+        .listProjectsByWorkspace(context.workspace)
+        .iteratePages()) {
+        const keys = [...page.values!].map(p => p.key!);
+        result.push(...keys);
+      }
+
+      return { results: result.map(title => ({ title })) };
+    }
+    case 'repositories': {
+      if (!context.workspace || !context.project)
+        throw new InputError(
+          'Missing workspace and/or project context parameter',
+        );
+
+      const result: string[] = [];
+
+      for await (const page of client
+        .listRepositoriesByWorkspace(context.workspace, {
+          q: `project.key="${context.project}"`,
+        })
+        .iteratePages()) {
+        const slugs = [...page.values!].map(p => p.slug!);
+        result.push(...slugs);
+      }
+
+      return { results: result.map(title => ({ title })) };
+    }
+    default:
+      throw new InputError(`Invalid resource: ${resource}`);
+  }
+}
diff --git a/plugins/scaffolder-backend-module-bitbucket-cloud/src/module.ts b/plugins/scaffolder-backend-module-bitbucket-cloud/src/module.ts
index 81afbf8c88..5bf49f7cd9 100644
--- a/plugins/scaffolder-backend-module-bitbucket-cloud/src/module.ts
+++ b/plugins/scaffolder-backend-module-bitbucket-cloud/src/module.ts
@@ -17,12 +17,16 @@ import {
   coreServices,
   createBackendModule,
 } from '@backstage/backend-plugin-api';
-import { scaffolderActionsExtensionPoint } from '@backstage/plugin-scaffolder-node/alpha';
+import {
+  scaffolderActionsExtensionPoint,
+  scaffolderAutocompleteExtensionPoint,
+} from '@backstage/plugin-scaffolder-node/alpha';
 import {
   createBitbucketPipelinesRunAction,
   createPublishBitbucketCloudAction,
 } from './actions';
 import { ScmIntegrations } from '@backstage/integration';
+import { handleAutocompleteRequest } from './autocomplete/autocomplete';
 
 /**
  * @public
@@ -35,15 +39,21 @@ export const bitbucketCloudModule = createBackendModule({
     registerInit({
       deps: {
         scaffolder: scaffolderActionsExtensionPoint,
+        autocomplete: scaffolderAutocompleteExtensionPoint,
         config: coreServices.rootConfig,
       },
-      async init({ scaffolder, config }) {
+      async init({ scaffolder, config, autocomplete }) {
         const integrations = ScmIntegrations.fromConfig(config);
 
         scaffolder.addActions(
           createPublishBitbucketCloudAction({ integrations, config }),
           createBitbucketPipelinesRunAction({ integrations }),
         );
+
+        autocomplete.addAutocompleteProvider({
+          id: 'bitbucket-cloud',
+          handler: handleAutocompleteRequest,
+        });
       },
     });
   },
diff --git a/plugins/scaffolder-backend/api-report.md b/plugins/scaffolder-backend/api-report.md
index 4c7b11ea43..4d75ed8421 100644
--- a/plugins/scaffolder-backend/api-report.md
+++ b/plugins/scaffolder-backend/api-report.md
@@ -7,6 +7,7 @@
 
 import { ActionContext as ActionContext_2 } from '@backstage/plugin-scaffolder-node';
 import { AuthService } from '@backstage/backend-plugin-api';
+import { AutocompleteHandler } from '@backstage/plugin-scaffolder-node/alpha';
 import * as azure from '@backstage/plugin-scaffolder-backend-module-azure';
 import { BackstageCredentials } from '@backstage/backend-plugin-api';
 import * as bitbucket from '@backstage/plugin-scaffolder-backend-module-bitbucket';
@@ -478,6 +479,8 @@ export interface RouterOptions {
   // (undocumented)
   auth?: AuthService;
   // (undocumented)
+  autocompleteHandlers?: Record<string, AutocompleteHandler>;
+  // (undocumented)
   catalogClient: CatalogApi;
   concurrentTasksLimit?: number;
   // (undocumented)
diff --git a/plugins/scaffolder-backend/package.json b/plugins/scaffolder-backend/package.json
index 386a1d829f..9730ee78bb 100644
--- a/plugins/scaffolder-backend/package.json
+++ b/plugins/scaffolder-backend/package.json
@@ -70,6 +70,7 @@
     "@backstage/errors": "workspace:^",
     "@backstage/integration": "workspace:^",
     "@backstage/plugin-auth-node": "workspace:^",
+    "@backstage/plugin-bitbucket-cloud-common": "workspace:^",
     "@backstage/plugin-catalog-backend-module-scaffolder-entity-model": "workspace:^",
     "@backstage/plugin-catalog-node": "workspace:^",
     "@backstage/plugin-permission-common": "workspace:^",
@@ -113,6 +114,7 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
+    "@backstage/backend-app-api": "workspace:^",
     "@backstage/backend-test-utils": "workspace:^",
     "@backstage/cli": "workspace:^",
     "@backstage/plugin-scaffolder-node-test-utils": "workspace:^",
diff --git a/plugins/scaffolder-backend/src/ScaffolderPlugin.ts b/plugins/scaffolder-backend/src/ScaffolderPlugin.ts
index a8213cf585..c83c6d437d 100644
--- a/plugins/scaffolder-backend/src/ScaffolderPlugin.ts
+++ b/plugins/scaffolder-backend/src/ScaffolderPlugin.ts
@@ -28,7 +28,9 @@ import {
   TemplateGlobal,
 } from '@backstage/plugin-scaffolder-node';
 import {
+  AutocompleteHandler,
   scaffolderActionsExtensionPoint,
+  scaffolderAutocompleteExtensionPoint,
   scaffolderTaskBrokerExtensionPoint,
   scaffolderTemplatingExtensionPoint,
 } from '@backstage/plugin-scaffolder-node/alpha';
@@ -82,6 +84,13 @@ export const scaffolderPlugin = createBackendPlugin({
       },
     });
 
+    const autocompleteHandlers: Record<string, AutocompleteHandler> = {};
+    env.registerExtensionPoint(scaffolderAutocompleteExtensionPoint, {
+      addAutocompleteProvider(provider) {
+        autocompleteHandlers[provider.id] = provider.handler;
+      },
+    });
+
     env.registerInit({
       deps: {
         logger: coreServices.logger,
@@ -162,6 +171,7 @@ export const scaffolderPlugin = createBackendPlugin({
           httpAuth,
           discovery,
           permissions,
+          autocompleteHandlers,
         });
         httpRouter.use(router);
       },
diff --git a/plugins/scaffolder-backend/src/service/router.test.ts b/plugins/scaffolder-backend/src/service/router.test.ts
index 8ba26c68a4..f0e78c75c7 100644
--- a/plugins/scaffolder-backend/src/service/router.test.ts
+++ b/plugins/scaffolder-backend/src/service/router.test.ts
@@ -46,6 +46,8 @@ import {
   PermissionEvaluator,
 } from '@backstage/plugin-permission-common';
 import { mockCredentials, mockServices } from '@backstage/backend-test-utils';
+import { AutocompleteHandler } from '@backstage/plugin-scaffolder-node/alpha';
+import { MiddlewareFactory } from '@backstage/backend-app-api';
 
 const mockAccess = jest.fn();
 
@@ -1461,5 +1463,75 @@ data: {"id":1,"taskId":"a-random-id","type":"completion","createdAt":"","body":{
         expect(subscriber!.closed).toBe(true);
       });
     });
+
+    describe('GET /v2/autocomplete/:provider/:resource', () => {
+      let handleAutocompleteRequest: AutocompleteHandler;
+
+      beforeEach(async () => {
+        handleAutocompleteRequest = jest.fn().mockResolvedValue({
+          results: [{ title: 'blob' }],
+        });
+
+        const logger = mockServices.logger.mock();
+        const middleware = MiddlewareFactory.create({ config, logger });
+        const router = await createRouter({
+          logger: loggerToWinstonLogger(mockServices.logger.mock()),
+          config: new ConfigReader({}),
+          database: createDatabase(),
+          catalogClient,
+          reader: mockUrlReader,
+          taskBroker,
+          permissions: permissionApi,
+          auth,
+          httpAuth,
+          discovery,
+          autocompleteHandlers: {
+            'test-provider': handleAutocompleteRequest,
+          },
+        });
+
+        app = express().use(router).use(middleware.error());
+      });
+
+      it('should throw an error when the provider is not registered', async () => {
+        const response = await request(app)
+          .post('/v2/autocomplete/unknown-provider/resource')
+          .send({
+            token: 'token',
+            context: {},
+          });
+
+        expect(response.status).toEqual(400);
+        expect(response.body).toEqual(
+          expect.objectContaining({
+            error: {
+              message: 'Unsupported provider: unknown-provider',
+              name: 'InputError',
+            },
+          }),
+        );
+      });
+
+      it('should call the autocomplete handler', async () => {
+        const context = { mock: 'context' };
+        const mockToken = 'mocktoken';
+
+        const response = await request(app)
+          .post('/v2/autocomplete/test-provider/resource')
+          .send({
+            token: mockToken,
+            context,
+          });
+
+        expect(response.status).toEqual(200);
+
+        expect(response.body).toEqual({ results: [{ title: 'blob' }] });
+        expect(handleAutocompleteRequest).toHaveBeenCalledWith({
+          token: mockToken,
+          context,
+          resource: 'resource',
+        });
+      });
+    });
   });
 });
diff --git a/plugins/scaffolder-backend/src/service/router.ts b/plugins/scaffolder-backend/src/service/router.ts
index 384b9f5340..9b3f5173c8 100644
--- a/plugins/scaffolder-backend/src/service/router.ts
+++ b/plugins/scaffolder-backend/src/service/router.ts
@@ -94,6 +94,7 @@ import {
 } from '@backstage/plugin-auth-node';
 import { InternalTaskSecrets } from '../scaffolder/tasks/types';
 import { checkPermission } from '../util/checkPermissions';
+import { AutocompleteHandler } from '@backstage/plugin-scaffolder-node/alpha';
 
 /**
  *
@@ -166,6 +167,8 @@ export interface RouterOptions {
   httpAuth?: HttpAuthService;
   identity?: IdentityApi;
   discovery?: DiscoveryService;
+
+  autocompleteHandlers?: Record<string, AutocompleteHandler>;
 }
 
 function isSupportedTemplate(entity: TemplateEntityV1beta3) {
@@ -273,6 +276,7 @@ export async function createRouter(
     permissionRules,
     discovery = HostDiscovery.fromConfig(config),
     identity = buildDefaultIdentityClient(options),
+    autocompleteHandlers = {},
   } = options;
 
   const { auth, httpAuth } = createLegacyAuthAdapters({
@@ -771,6 +775,24 @@ export async function createRouter(
           base64Content: file.content.toString('base64'),
         })),
       });
+    })
+    .post('/v2/autocomplete/:provider/:resource', async (req, res) => {
+      const { token, context } = req.body;
+      const { provider, resource } = req.params;
+
+      if (!token) throw new InputError('Missing token query parameter');
+
+      if (!autocompleteHandlers[provider]) {
+        throw new InputError(`Unsupported provider: ${provider}`);
+      }
+
+      const { results } = await autocompleteHandlers[provider]({
+        resource,
+        token,
+        context,
+      });
+
+      res.status(200).json({ results });
     });
 
   const app = express();
diff --git a/plugins/scaffolder-node/api-report-alpha.md b/plugins/scaffolder-node/api-report-alpha.md
index c2a2a1597e..aae32d7203 100644
--- a/plugins/scaffolder-node/api-report-alpha.md
+++ b/plugins/scaffolder-node/api-report-alpha.md
@@ -9,6 +9,21 @@ import { TemplateAction } from '@backstage/plugin-scaffolder-node';
 import { TemplateFilter } from '@backstage/plugin-scaffolder-node';
 import { TemplateGlobal } from '@backstage/plugin-scaffolder-node';
 
+// @alpha
+export type AutocompleteHandler = ({
+  resource,
+  token,
+  context,
+}: {
+  resource: string;
+  token: string;
+  context: Record<string, string>;
+}) => Promise<{
+  results: {
+    title: string;
+  }[];
+}>;
+
 // @alpha
 export interface ScaffolderActionsExtensionPoint {
   // (undocumented)
@@ -18,6 +33,21 @@ export interface ScaffolderActionsExtensionPoint {
 // @alpha
 export const scaffolderActionsExtensionPoint: ExtensionPoint<ScaffolderActionsExtensionPoint>;
 
+// @alpha
+export interface ScaffolderAutocompleteExtensionPoint {
+  // (undocumented)
+  addAutocompleteProvider({
+    id,
+    handler,
+  }: {
+    id: string;
+    handler: AutocompleteHandler;
+  }): void;
+}
+
+// @alpha
+export const scaffolderAutocompleteExtensionPoint: ExtensionPoint<ScaffolderAutocompleteExtensionPoint>;
+
 // @alpha
 export interface ScaffolderTaskBrokerExtensionPoint {
   // (undocumented)
diff --git a/plugins/scaffolder-node/src/alpha.ts b/plugins/scaffolder-node/src/alpha.ts
index b85da5b590..ef4d5ab289 100644
--- a/plugins/scaffolder-node/src/alpha.ts
+++ b/plugins/scaffolder-node/src/alpha.ts
@@ -79,3 +79,41 @@ export const scaffolderTemplatingExtensionPoint =
   createExtensionPoint<ScaffolderTemplatingExtensionPoint>({
     id: 'scaffolder.templating',
   });
+
+/**
+ * Autocomplete handler for the scaffolder.
+ * @alpha
+ */
+export type AutocompleteHandler = ({
+  resource,
+  token,
+  context,
+}: {
+  resource: string;
+  token: string;
+  context: Record<string, string>;
+}) => Promise<{ results: { title: string }[] }>;
+
+/**
+ * Extension point for adding autocomplete handler providers
+ * @alpha
+ */
+export interface ScaffolderAutocompleteExtensionPoint {
+  addAutocompleteProvider({
+    id,
+    handler,
+  }: {
+    id: string;
+    handler: AutocompleteHandler;
+  }): void;
+}
+
+/**
+ * Extension point for adding template filters and globals.
+ *
+ * @alpha
+ */
+export const scaffolderAutocompleteExtensionPoint =
+  createExtensionPoint<ScaffolderAutocompleteExtensionPoint>({
+    id: 'scaffolder.autocomplete',
+  });
diff --git a/plugins/scaffolder-react/api-report.md b/plugins/scaffolder-react/api-report.md
index 850c30ced8..a14490b80c 100644
--- a/plugins/scaffolder-react/api-report.md
+++ b/plugins/scaffolder-react/api-report.md
@@ -179,6 +179,17 @@ export type ReviewStepProps = {
 
 // @public
 export interface ScaffolderApi {
+  // (undocumented)
+  autocomplete?(options: {
+    token: string;
+    provider: string;
+    resource: string;
+    context?: Record<string, string>;
+  }): Promise<{
+    results: {
+      title: string;
+    }[];
+  }>;
   cancelTask(taskId: string): Promise<void>;
   // (undocumented)
   dryRun?(options: ScaffolderDryRunOptions): Promise<ScaffolderDryRunResponse>;
diff --git a/plugins/scaffolder-react/src/api/types.ts b/plugins/scaffolder-react/src/api/types.ts
index b4a3deea54..eaef54ff1b 100644
--- a/plugins/scaffolder-react/src/api/types.ts
+++ b/plugins/scaffolder-react/src/api/types.ts
@@ -229,4 +229,11 @@ export interface ScaffolderApi {
   streamLogs(options: ScaffolderStreamLogsOptions): Observable<LogEvent>;
 
   dryRun?(options: ScaffolderDryRunOptions): Promise<ScaffolderDryRunResponse>;
+
+  autocomplete?(options: {
+    token: string;
+    provider: string;
+    resource: string;
+    context?: Record<string, string>;
+  }): Promise<{ results: { title: string }[] }>;
 }
diff --git a/plugins/scaffolder-react/src/next/components/Workflow/Workflow.test.tsx b/plugins/scaffolder-react/src/next/components/Workflow/Workflow.test.tsx
index 27fde2083f..3a2aa1469f 100644
--- a/plugins/scaffolder-react/src/next/components/Workflow/Workflow.test.tsx
+++ b/plugins/scaffolder-react/src/next/components/Workflow/Workflow.test.tsx
@@ -36,6 +36,7 @@ const scaffolderApiMock: jest.Mocked<ScaffolderApi> = {
   streamLogs: jest.fn(),
   listActions: jest.fn(),
   listTasks: jest.fn(),
+  autocomplete: jest.fn(),
 };
 const catalogApiMock: jest.Mocked<CatalogApi> = {
   getEntityByRef: jest.fn(),
diff --git a/plugins/scaffolder/api-report.md b/plugins/scaffolder/api-report.md
index 5c766af890..f479b13ec4 100644
--- a/plugins/scaffolder/api-report.md
+++ b/plugins/scaffolder/api-report.md
@@ -502,6 +502,22 @@ export class ScaffolderClient implements ScaffolderApi_2 {
     useLongPollingLogs?: boolean;
   });
   // (undocumented)
+  autocomplete({
+    token,
+    resource,
+    provider,
+    context,
+  }: {
+    token: string;
+    provider: string;
+    resource: string;
+    context?: Record<string, string>;
+  }): Promise<{
+    results: {
+      title: string;
+    }[];
+  }>;
+  // (undocumented)
   cancelTask(taskId: string): Promise<void>;
   // (undocumented)
   dryRun(
diff --git a/plugins/scaffolder/src/api.ts b/plugins/scaffolder/src/api.ts
index 6ef5fff588..1809ed4c15 100644
--- a/plugins/scaffolder/src/api.ts
+++ b/plugins/scaffolder/src/api.ts
@@ -337,4 +337,38 @@ export class ScaffolderClient implements ScaffolderApi {
 
     return await response.json();
   }
+
+  async autocomplete({
+    token,
+    resource,
+    provider,
+    context,
+  }: {
+    token: string;
+    provider: string;
+    resource: string;
+    context?: Record<string, string>;
+  }): Promise<{ results: { title: string }[] }> {
+    const baseUrl = await this.discoveryApi.getBaseUrl('scaffolder');
+
+    const url = `${baseUrl}/v2/autocomplete/${provider}/${resource}`;
+
+    const response = await this.fetchApi.fetch(url, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        token,
+        context: context ?? {},
+      }),
+    });
+
+    if (!response.ok) {
+      throw await ResponseError.fromResponse(response);
+    }
+
+    const { results } = await response.json();
+    return { results };
+  }
 }
diff --git a/plugins/scaffolder/src/components/ActionsPage/ActionsPage.test.tsx b/plugins/scaffolder/src/components/ActionsPage/ActionsPage.test.tsx
index 614e3fcff0..b548bcbad4 100644
--- a/plugins/scaffolder/src/components/ActionsPage/ActionsPage.test.tsx
+++ b/plugins/scaffolder/src/components/ActionsPage/ActionsPage.test.tsx
@@ -33,6 +33,7 @@ const scaffolderApiMock: jest.Mocked<ScaffolderApi> = {
   streamLogs: jest.fn(),
   listActions: jest.fn(),
   listTasks: jest.fn(),
+  autocomplete: jest.fn(),
 };
 
 const apis = TestApiRegistry.from([scaffolderApiRef, scaffolderApiMock]);
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.test.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.test.tsx
index f799d68c2d..2ae89233ff 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.test.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.test.tsx
@@ -16,18 +16,33 @@
 
 import React from 'react';
 import { BitbucketRepoPicker } from './BitbucketRepoPicker';
-import { render, fireEvent } from '@testing-library/react';
+import { render, fireEvent, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { TestApiProvider } from '@backstage/test-utils';
+import {
+  ScaffolderApi,
+  scaffolderApiRef,
+} from '@backstage/plugin-scaffolder-react';
+import { act } from 'react-dom/test-utils';
 
 describe('BitbucketRepoPicker', () => {
+  const scaffolderApiMock: Partial<ScaffolderApi> = {
+    autocomplete: jest.fn().mockImplementation(opts => ({
+      results: [{ title: `${opts.resource}_example` }],
+    })),
+  };
+
   it('renders a select if there is a list of allowed owners', async () => {
     const allowedOwners = ['owner1', 'owner2'];
     const { findByText } = render(
-      <BitbucketRepoPicker
-        onChange={jest.fn()}
-        rawErrors={[]}
-        state={{ host: 'bitbucket.org', repoName: 'repo' }}
-        allowedOwners={allowedOwners}
-      />,
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <BitbucketRepoPicker
+          onChange={jest.fn()}
+          rawErrors={[]}
+          state={{ host: 'bitbucket.org', repoName: 'repo' }}
+          allowedOwners={allowedOwners}
+        />
+      </TestApiProvider>,
     );
 
     expect(await findByText('owner1')).toBeInTheDocument();
@@ -38,7 +53,13 @@ describe('BitbucketRepoPicker', () => {
     const state = { host: 'bitbucket.org', workspace: 'lolsWorkspace' };
 
     const { getAllByRole } = render(
-      <BitbucketRepoPicker onChange={jest.fn()} rawErrors={[]} state={state} />,
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <BitbucketRepoPicker
+          onChange={jest.fn()}
+          rawErrors={[]}
+          state={state}
+        />
+      </TestApiProvider>,
     );
 
     expect(getAllByRole('textbox')).toHaveLength(2);
@@ -51,7 +72,13 @@ describe('BitbucketRepoPicker', () => {
     };
 
     const { getAllByRole } = render(
-      <BitbucketRepoPicker onChange={jest.fn()} rawErrors={[]} state={state} />,
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <BitbucketRepoPicker
+          onChange={jest.fn()}
+          rawErrors={[]}
+          state={state}
+        />
+      </TestApiProvider>,
     );
 
     expect(getAllByRole('textbox')).toHaveLength(1);
@@ -61,16 +88,24 @@ describe('BitbucketRepoPicker', () => {
     it('calls onChange when the workspace changes', () => {
       const onChange = jest.fn();
       const { getAllByRole } = render(
-        <BitbucketRepoPicker
-          onChange={onChange}
-          rawErrors={[]}
-          state={{ host: 'bitbucket.org' }}
-        />,
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={onChange}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org' }}
+          />
+        </TestApiProvider>,
       );
 
       const workspaceInput = getAllByRole('textbox')[0];
 
-      fireEvent.change(workspaceInput, { target: { value: 'test-workspace' } });
+      act(() => {
+        workspaceInput.focus();
+        fireEvent.change(workspaceInput, {
+          target: { value: 'test-workspace' },
+        });
+        workspaceInput.blur();
+      });
 
       expect(onChange).toHaveBeenCalledWith({ workspace: 'test-workspace' });
     });
@@ -80,27 +115,35 @@ describe('BitbucketRepoPicker', () => {
     it('calls onChange when the project changes', () => {
       const onChange = jest.fn();
       const { getAllByRole } = render(
-        <BitbucketRepoPicker
-          onChange={onChange}
-          rawErrors={[]}
-          state={{ host: 'bitbucket.org' }}
-        />,
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={onChange}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org' }}
+          />
+        </TestApiProvider>,
       );
 
       const projectInput = getAllByRole('textbox')[1];
 
-      fireEvent.change(projectInput, { target: { value: 'test-project' } });
+      act(() => {
+        projectInput.focus();
+        fireEvent.change(projectInput, { target: { value: 'test-project' } });
+        projectInput.blur();
+      });
 
       expect(onChange).toHaveBeenCalledWith({ project: 'test-project' });
     });
 
     it('Does not render a select if the list of allowed projects does not exist', async () => {
       const { getAllByRole } = render(
-        <BitbucketRepoPicker
-          onChange={jest.fn()}
-          rawErrors={[]}
-          state={{ host: 'bitbucket.org', repoName: 'repo' }}
-        />,
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={jest.fn()}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org', repoName: 'repo' }}
+          />
+        </TestApiProvider>,
       );
 
       expect(getAllByRole('textbox')).toHaveLength(2);
@@ -109,12 +152,14 @@ describe('BitbucketRepoPicker', () => {
 
     it('Does not render a select if the list of allowed projects is empty', async () => {
       const { getAllByRole } = render(
-        <BitbucketRepoPicker
-          onChange={jest.fn()}
-          rawErrors={[]}
-          state={{ host: 'bitbucket.org', repoName: 'repo' }}
-          allowedProjects={[]}
-        />,
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={jest.fn()}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org', repoName: 'repo' }}
+            allowedProjects={[]}
+          />
+        </TestApiProvider>,
       );
 
       expect(getAllByRole('textbox')).toHaveLength(2);
@@ -124,16 +169,104 @@ describe('BitbucketRepoPicker', () => {
     it('Does render a select if there is a list of allowed projects', async () => {
       const allowedProjects = ['project1', 'project2'];
       const { findByText } = render(
-        <BitbucketRepoPicker
-          onChange={jest.fn()}
-          rawErrors={[]}
-          state={{ host: 'bitbucket.org', repoName: 'repo' }}
-          allowedProjects={allowedProjects}
-        />,
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={jest.fn()}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org', repoName: 'repo' }}
+            allowedProjects={allowedProjects}
+          />
+        </TestApiProvider>,
       );
 
       expect(await findByText('project1')).toBeInTheDocument();
       expect(await findByText('project2')).toBeInTheDocument();
     });
   });
+
+  describe('autocompletion', () => {
+    it('should populate workspaces if host is set and accessToken is provided', async () => {
+      const onChange = jest.fn();
+
+      const { getAllByRole, getByText } = render(
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={onChange}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org' }}
+            accessToken="foo"
+          />
+        </TestApiProvider>,
+      );
+
+      // Open the Autcomplete dropdown
+      const workspaceInput = getAllByRole('textbox')[0];
+      await userEvent.click(workspaceInput);
+
+      // Verify that the available workspaces are shown
+      await waitFor(() =>
+        expect(getByText('workspaces_example')).toBeInTheDocument(),
+      );
+
+      // Verify that selecting an option calls onChange
+      await userEvent.click(getByText('workspaces_example'));
+      expect(onChange).toHaveBeenCalledWith({
+        workspace: 'workspaces_example',
+      });
+    });
+
+    it('should populate projects if host and workspace are set and accessToken is provided', async () => {
+      const onChange = jest.fn();
+
+      const { getAllByRole, getByText } = render(
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={onChange}
+            rawErrors={[]}
+            state={{ host: 'bitbucket.org', workspace: 'workspace1' }}
+            accessToken="foo"
+          />
+        </TestApiProvider>,
+      );
+
+      // Open the Autcomplete dropdown
+      const projectInput = getAllByRole('textbox')[1];
+      await userEvent.click(projectInput);
+
+      // Verify that the available projects are shown
+      await waitFor(() =>
+        expect(getByText('projects_example')).toBeInTheDocument(),
+      );
+
+      // Verify that selecting an option calls onChange
+      await userEvent.click(getByText('projects_example'));
+      expect(onChange).toHaveBeenCalledWith({ project: 'projects_example' });
+    });
+
+    it('should populate repositories if host, workspace and project are set and accessToken is provided', async () => {
+      const onChange = jest.fn();
+
+      render(
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <BitbucketRepoPicker
+            onChange={onChange}
+            rawErrors={[]}
+            state={{
+              host: 'bitbucket.org',
+              workspace: 'workspace1',
+              project: 'project1',
+            }}
+            accessToken="foo"
+          />
+        </TestApiProvider>,
+      );
+
+      // Verify that the available repos are updated
+      await waitFor(() =>
+        expect(onChange).toHaveBeenCalledWith({
+          availableRepos: ['repositories_example'],
+        }),
+      );
+    });
+  });
 });
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.tsx
index d070e3fee5..10d4a6e6c3 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/BitbucketRepoPicker.tsx
@@ -13,13 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import React, { useEffect } from 'react';
+import React, { useEffect, useState } from 'react';
 import FormControl from '@material-ui/core/FormControl';
 import FormHelperText from '@material-ui/core/FormHelperText';
-import Input from '@material-ui/core/Input';
-import InputLabel from '@material-ui/core/InputLabel';
 import { Select, SelectItem } from '@backstage/core-components';
 import { RepoUrlPickerState } from './types';
+import Autocomplete from '@material-ui/lab/Autocomplete';
+import TextField from '@material-ui/core/TextField';
+import useDebounce from 'react-use/esm/useDebounce';
+import { useApi } from '@backstage/core-plugin-api';
+import { scaffolderApiRef } from '@backstage/plugin-scaffolder-react';
 
 /**
  * The underlying component that is rendered in the form for the `BitbucketRepoPicker`
@@ -36,6 +39,7 @@ export const BitbucketRepoPicker = (props: {
   onChange: (state: RepoUrlPickerState) => void;
   state: RepoUrlPickerState;
   rawErrors: string[];
+  accessToken?: string;
 }) => {
   const {
     allowedOwners = [],
@@ -43,6 +47,7 @@ export const BitbucketRepoPicker = (props: {
     onChange,
     rawErrors,
     state,
+    accessToken,
   } = props;
   const { host, workspace, project } = state;
   const ownerItems: SelectItem[] = allowedOwners
@@ -58,6 +63,100 @@ export const BitbucketRepoPicker = (props: {
     }
   }, [allowedOwners, host, onChange]);
 
+  const scaffolderApi = useApi(scaffolderApiRef);
+
+  const [availableWorkspaces, setAvailableWorkspaces] = useState<string[]>([]);
+  const [availableProjects, setAvailableProjects] = useState<string[]>([]);
+
+  // Update available workspaces when client is available
+  useDebounce(
+    () => {
+      const updateAvailableWorkspaces = async () => {
+        if (
+          host === 'bitbucket.org' &&
+          accessToken &&
+          scaffolderApi.autocomplete
+        ) {
+          const { results } = await scaffolderApi.autocomplete({
+            token: accessToken,
+            resource: 'workspaces',
+            context: {},
+            provider: 'bitbucket-cloud',
+          });
+
+          setAvailableWorkspaces(results.map(r => r.title));
+        } else {
+          setAvailableWorkspaces([]);
+        }
+      };
+
+      updateAvailableWorkspaces().catch(() => setAvailableWorkspaces([]));
+    },
+    500,
+    [host, accessToken],
+  );
+
+  // Update available projects when client is available and workspace changes
+  useDebounce(
+    () => {
+      const updateAvailableProjects = async () => {
+        if (
+          host === 'bitbucket.org' &&
+          accessToken &&
+          workspace &&
+          scaffolderApi.autocomplete
+        ) {
+          const { results } = await scaffolderApi.autocomplete({
+            token: accessToken,
+            resource: 'projects',
+            context: { workspace },
+            provider: 'bitbucket-cloud',
+          });
+
+          setAvailableProjects(results.map(r => r.title));
+        } else {
+          setAvailableProjects([]);
+        }
+      };
+
+      updateAvailableProjects().catch(() => setAvailableProjects([]));
+    },
+    500,
+    [host, accessToken, workspace],
+  );
+
+  // Update available repositories when client is available and workspace or project changes
+  useDebounce(
+    () => {
+      const updateAvailableRepositories = async () => {
+        if (
+          host === 'bitbucket.org' &&
+          accessToken &&
+          workspace &&
+          project &&
+          scaffolderApi.autocomplete
+        ) {
+          const { results } = await scaffolderApi.autocomplete({
+            token: accessToken,
+            resource: 'repositories',
+            context: { workspace, project },
+            provider: 'bitbucket-cloud',
+          });
+
+          onChange({ availableRepos: results.map(r => r.title) });
+        } else {
+          onChange({ availableRepos: [] });
+        }
+      };
+
+      updateAvailableRepositories().catch(() =>
+        onChange({ availableRepos: [] }),
+      );
+    },
+    500,
+    [host, accessToken, workspace, project],
+  );
+
   return (
     <>
       {host === 'bitbucket.org' && (
@@ -78,14 +177,18 @@ export const BitbucketRepoPicker = (props: {
               items={ownerItems}
             />
           ) : (
-            <>
-              <InputLabel htmlFor="workspaceInput">Workspace</InputLabel>
-              <Input
-                id="workspaceInput"
-                onChange={e => onChange({ workspace: e.target.value })}
-                value={workspace}
-              />
-            </>
+            <Autocomplete
+              value={workspace}
+              onChange={(_, newValue) => {
+                onChange({ workspace: newValue || '' });
+              }}
+              options={availableWorkspaces}
+              renderInput={params => (
+                <TextField {...params} label="Workspace" required />
+              )}
+              freeSolo
+              autoSelect
+            />
           )}
           <FormHelperText>
             The Workspace that this repo will belong to
@@ -109,14 +212,18 @@ export const BitbucketRepoPicker = (props: {
             items={projectItems}
           />
         ) : (
-          <>
-            <InputLabel htmlFor="projectInput">Project</InputLabel>
-            <Input
-              id="projectInput"
-              onChange={e => onChange({ project: e.target.value })}
-              value={project}
-            />
-          </>
+          <Autocomplete
+            value={project}
+            onChange={(_, newValue) => {
+              onChange({ project: newValue || '' });
+            }}
+            options={availableProjects}
+            renderInput={params => (
+              <TextField {...params} label="Project" required />
+            )}
+            freeSolo
+            autoSelect
+          />
         )}
         <FormHelperText>
           The Project that this repo will belong to
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.test.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.test.tsx
index 59c09c106c..002652cfab 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.test.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.test.tsx
@@ -98,8 +98,15 @@ describe('RepoUrlPicker', () => {
       const [ownerInput, repoInput] = getAllByRole('textbox');
       const submitButton = getByRole('button');
 
-      fireEvent.change(ownerInput, { target: { value: 'backstage' } });
-      fireEvent.change(repoInput, { target: { value: 'repo123' } });
+      act(() => {
+        ownerInput.focus();
+        fireEvent.change(ownerInput, { target: { value: 'backstage' } });
+        ownerInput.blur();
+
+        repoInput.focus();
+        fireEvent.change(repoInput, { target: { value: 'repo123' } });
+        repoInput.blur();
+      });
 
       fireEvent.click(submitButton);
 
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.tsx
index 85245639b0..e0d714ffda 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPicker.tsx
@@ -203,6 +203,10 @@ export const RepoUrlPicker = (props: RepoUrlPickerProps) => {
           rawErrors={rawErrors}
           state={state}
           onChange={updateLocalState}
+          accessToken={
+            uiSchema?.['ui:options']?.requestUserCredentials?.secretsKey &&
+            secrets[uiSchema['ui:options'].requestUserCredentials.secretsKey]
+          }
         />
       )}
       {hostType === 'azure' && (
@@ -228,6 +232,7 @@ export const RepoUrlPicker = (props: RepoUrlPickerProps) => {
           setState(prevState => ({ ...prevState, repoName: repo }))
         }
         rawErrors={rawErrors}
+        availableRepos={state.availableRepos}
       />
     </>
   );
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.test.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.test.tsx
index 4c392d646c..95407084c6 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.test.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.test.tsx
@@ -16,6 +16,8 @@
 import React from 'react';
 import { RepoUrlPickerRepoName } from './RepoUrlPickerRepoName';
 import { render, fireEvent } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { act } from 'react-dom/test-utils';
 
 describe('RepoUrlPickerRepoName', () => {
   it('should call onChange with the first allowed repo if there is none set already', async () => {
@@ -69,8 +71,39 @@ describe('RepoUrlPickerRepoName', () => {
 
     expect(textArea).toBeVisible();
 
-    fireEvent.change(textArea, { target: { value: 'foo' } });
+    act(() => {
+      textArea.focus();
+      fireEvent.change(textArea, { target: { value: 'foo' } });
+      textArea.blur();
+    });
 
     expect(onChange).toHaveBeenCalledWith('foo');
   });
+
+  it('should autocomplete with provided availableRepos', async () => {
+    const availableRepos = ['foo', 'bar'];
+
+    const onChange = jest.fn();
+
+    const { getByRole, getByText } = render(
+      <RepoUrlPickerRepoName
+        onChange={onChange}
+        availableRepos={availableRepos}
+        rawErrors={[]}
+      />,
+    );
+
+    // Open the Autocomplete dropdown
+    const input = getByRole('textbox');
+    await userEvent.click(input);
+
+    // Verify that available repos are shown
+    for (const repo of availableRepos) {
+      expect(getByText(repo)).toBeInTheDocument();
+    }
+
+    // Verify that selecting an option calls onChange
+    await userEvent.click(getByText(availableRepos[0]));
+    expect(onChange).toHaveBeenCalledWith(availableRepos[0]);
+  });
 });
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
index f2d68b08f3..01878cb619 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
@@ -17,16 +17,17 @@ import React, { useEffect } from 'react';
 import { Select, SelectItem } from '@backstage/core-components';
 import FormControl from '@material-ui/core/FormControl';
 import FormHelperText from '@material-ui/core/FormHelperText';
-import Input from '@material-ui/core/Input';
-import InputLabel from '@material-ui/core/InputLabel';
+import Autocomplete from '@material-ui/lab/Autocomplete';
+import TextField from '@material-ui/core/TextField';
 
 export const RepoUrlPickerRepoName = (props: {
   repoName?: string;
   allowedRepos?: string[];
   onChange: (host: string) => void;
   rawErrors: string[];
+  availableRepos?: string[];
 }) => {
-  const { repoName, allowedRepos, onChange, rawErrors } = props;
+  const { repoName, allowedRepos, onChange, rawErrors, availableRepos } = props;
 
   useEffect(() => {
     // If there is no repoName chosen currently
@@ -61,14 +62,18 @@ export const RepoUrlPickerRepoName = (props: {
             items={repoItems}
           />
         ) : (
-          <>
-            <InputLabel htmlFor="repoNameInput">Repository</InputLabel>
-            <Input
-              id="repoNameInput"
-              onChange={e => onChange(String(e.target.value))}
-              value={repoName}
-            />
-          </>
+          <Autocomplete
+            value={repoName}
+            onChange={(_, newValue) => {
+              onChange(newValue || '');
+            }}
+            options={availableRepos || []}
+            renderInput={params => (
+              <TextField {...params} label="Repository" required />
+            )}
+            freeSolo
+            autoSelect
+          />
         )}
         <FormHelperText>The name of the repository</FormHelperText>
       </FormControl>
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/types.ts b/plugins/scaffolder/src/components/fields/RepoUrlPicker/types.ts
index 5e979e789e..1430b10b84 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/types.ts
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/types.ts
@@ -20,4 +20,5 @@ export interface RepoUrlPickerState {
   organization?: string;
   workspace?: string;
   project?: string;
+  availableRepos?: string[];
 }
diff --git a/plugins/scaffolder/src/next/TemplateWizardPage/TemplateWizardPage.test.tsx b/plugins/scaffolder/src/next/TemplateWizardPage/TemplateWizardPage.test.tsx
index 269ff81271..2639e8149c 100644
--- a/plugins/scaffolder/src/next/TemplateWizardPage/TemplateWizardPage.test.tsx
+++ b/plugins/scaffolder/src/next/TemplateWizardPage/TemplateWizardPage.test.tsx
@@ -51,6 +51,7 @@ const scaffolderApiMock: jest.Mocked<ScaffolderApi> = {
   streamLogs: jest.fn(),
   listActions: jest.fn(),
   listTasks: jest.fn(),
+  autocomplete: jest.fn(),
 };
 
 const catalogApiMock: jest.Mocked<CatalogApi> = {
diff --git a/yarn.lock b/yarn.lock
index d41120ce21..e3cec34102 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6684,6 +6684,7 @@ __metadata:
     "@backstage/config": "workspace:^"
     "@backstage/errors": "workspace:^"
     "@backstage/integration": "workspace:^"
+    "@backstage/plugin-bitbucket-cloud-common": "workspace:^"
     "@backstage/plugin-scaffolder-node": "workspace:^"
     "@backstage/plugin-scaffolder-node-test-utils": "workspace:^"
     fs-extra: ^11.2.0
@@ -6937,6 +6938,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@backstage/plugin-scaffolder-backend@workspace:plugins/scaffolder-backend"
   dependencies:
+    "@backstage/backend-app-api": "workspace:^"
     "@backstage/backend-common": "workspace:^"
     "@backstage/backend-plugin-api": "workspace:^"
     "@backstage/backend-tasks": "workspace:^"
@@ -6948,6 +6950,7 @@ __metadata:
     "@backstage/errors": "workspace:^"
     "@backstage/integration": "workspace:^"
     "@backstage/plugin-auth-node": "workspace:^"
+    "@backstage/plugin-bitbucket-cloud-common": "workspace:^"
     "@backstage/plugin-catalog-backend-module-scaffolder-entity-model": "workspace:^"
     "@backstage/plugin-catalog-node": "workspace:^"
     "@backstage/plugin-permission-common": "workspace:^"