diff --git a/.changeset/legal-results-kneel.md b/.changeset/legal-results-kneel.md
new file mode 100644
index 0000000000..52a9af46ef
--- /dev/null
+++ b/.changeset/legal-results-kneel.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder': minor
+---
+
+Extended the `RepoOwnerPicker` implementation with a custom variant for GitLab.
diff --git a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.test.tsx b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.test.tsx
new file mode 100644
index 0000000000..fe60e1b376
--- /dev/null
+++ b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.test.tsx
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2025 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 {
+  ScaffolderApi,
+  scaffolderApiRef,
+} from '@backstage/plugin-scaffolder-react';
+import { GitLabRepoOwnerPicker } from './GitLabRepoOwnerPicker';
+import { act, fireEvent, waitFor, screen } from '@testing-library/react';
+import { renderInTestApp, TestApiProvider } from '@backstage/test-utils';
+import userEvent from '@testing-library/user-event';
+
+describe('GitLabRepoOwnerPicker', () => {
+  const scaffolderApiMock: Partial<ScaffolderApi> = {
+    autocomplete: jest.fn().mockResolvedValue({
+      results: [{ title: 'owner1' }, { title: 'owner2' }],
+    }),
+  };
+
+  it('renders an input field', async () => {
+    const { getByRole } = await renderInTestApp(
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <GitLabRepoOwnerPicker
+          onChange={jest.fn()}
+          state={{ owner: 'owner1' }}
+          rawErrors={[]}
+        />
+      </TestApiProvider>,
+    );
+
+    expect(getByRole('textbox')).toBeInTheDocument();
+    expect(getByRole('textbox')).toHaveValue('owner1');
+  });
+
+  it('input field disabled', async () => {
+    await renderInTestApp(
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <GitLabRepoOwnerPicker
+          onChange={jest.fn()}
+          isDisabled
+          state={{ owner: 'owner1' }}
+          rawErrors={[]}
+        />
+      </TestApiProvider>,
+    );
+
+    const input = screen.getByRole('textbox');
+
+    // Expect input to be disabled
+    expect(input).toBeDisabled();
+    expect(input).toHaveValue('owner1');
+  });
+
+  it('calls onChange when the input field changes', async () => {
+    const onChange = jest.fn();
+
+    const { getByRole } = await renderInTestApp(
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <GitLabRepoOwnerPicker
+          onChange={onChange}
+          state={{ owner: 'owner1' }}
+          rawErrors={[]}
+        />
+      </TestApiProvider>,
+    );
+
+    const input = getByRole('textbox');
+
+    act(() => {
+      input.focus();
+      fireEvent.change(input, {
+        target: { value: 'owner2' },
+      });
+      input.blur();
+    });
+
+    expect(onChange).toHaveBeenCalledWith({ owner: 'owner2' });
+  });
+
+  it('should populate owners', async () => {
+    jest.useFakeTimers();
+    const user = userEvent.setup({
+      advanceTimers: jest.advanceTimersByTime,
+    });
+    const onChange = jest.fn();
+
+    try {
+      const { getByRole } = await renderInTestApp(
+        <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+          <GitLabRepoOwnerPicker
+            onChange={onChange}
+            state={{
+              host: 'gitlab.com',
+              owner: 'foo',
+            }}
+            rawErrors={[]}
+            accessToken="token"
+          />
+        </TestApiProvider>,
+      );
+
+      // Open the Autocomplete dropdown
+      const input = getByRole('textbox');
+      await user.click(input);
+
+      // Flush the component debounce and any pending async updates
+      act(() => {
+        jest.advanceTimersByTime(500);
+      });
+      await act(async () => {
+        await Promise.resolve();
+      });
+
+      // Verify that the available owners are shown
+      expect(await screen.findByText('owner1')).toBeInTheDocument();
+
+      // Verify that selecting an option calls onChange
+      await user.click(screen.getByText('owner1'));
+      expect(onChange).toHaveBeenCalledWith({
+        owner: 'owner1',
+      });
+    } finally {
+      jest.runOnlyPendingTimers();
+      jest.useRealTimers();
+    }
+  });
+
+  it('should filter out excluded owners', async () => {
+    const onChange = jest.fn();
+
+    const { getByRole, getByText } = await renderInTestApp(
+      <TestApiProvider apis={[[scaffolderApiRef, scaffolderApiMock]]}>
+        <GitLabRepoOwnerPicker
+          onChange={onChange}
+          state={{
+            host: 'gitlab.com',
+          }}
+          rawErrors={[]}
+          accessToken="token"
+          excludedOwners={['owner1']}
+        />
+      </TestApiProvider>,
+    );
+
+    // Open the Autocomplete dropdown
+    const input = getByRole('textbox');
+    await userEvent.click(input);
+
+    // Verify that the excluded owners are not shown
+    await waitFor(() => expect(getByText('owner2')).toBeInTheDocument());
+    expect(screen.queryByText('owner1')).not.toBeInTheDocument();
+  });
+});
diff --git a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.tsx b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.tsx
new file mode 100644
index 0000000000..1ebb2567be
--- /dev/null
+++ b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/GitLabRepoOwnerPicker.tsx
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2025 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 { useApi } from '@backstage/core-plugin-api';
+import { scaffolderApiRef } from '@backstage/plugin-scaffolder-react';
+import FormControl from '@material-ui/core/FormControl';
+import FormHelperText from '@material-ui/core/FormHelperText';
+import MuiTextField from '@material-ui/core/TextField';
+import MuiAutocomplete from '@material-ui/lab/Autocomplete';
+import { useCallback, useState } from 'react';
+import useDebounce from 'react-use/esm/useDebounce';
+import { useTranslationRef } from '@backstage/core-plugin-api/alpha';
+
+import { BaseRepoOwnerPickerProps } from './types';
+import { scaffolderTranslationRef } from '../../../translation';
+import { useScaffolderTheme } from '@backstage/plugin-scaffolder-react/alpha';
+import { Autocomplete as BuiAutocomplete } from '../Autocomplete';
+import type { Key } from 'react-aria-components';
+
+/**
+ * The underlying component that is rendered in the form for the `GitLabRepoOwnerPicker`
+ * field extension.
+ *
+ * @public
+ *
+ */
+export const GitLabRepoOwnerPicker = ({
+  onChange,
+  state,
+  rawErrors,
+  accessToken,
+  isDisabled,
+  required,
+  schema,
+  excludedOwners = [],
+}: BaseRepoOwnerPickerProps<{
+  accessToken?: string;
+  excludedOwners?: string[];
+}>) => {
+  const theme = useScaffolderTheme();
+  const { host, owner } = state;
+
+  const [availableOwners, setAvailableOwners] = useState<string[]>([]);
+
+  const scaffolderApi = useApi(scaffolderApiRef);
+  const { t } = useTranslationRef(scaffolderTranslationRef);
+
+  const updateAvailableOwners = useCallback(() => {
+    if (!scaffolderApi.autocomplete || !accessToken || !host) {
+      setAvailableOwners([]);
+      return;
+    }
+
+    scaffolderApi
+      .autocomplete({
+        token: accessToken,
+        resource: 'groups',
+        provider: 'gitlab',
+        context: { host },
+      })
+      .then(({ results }) => {
+        const owners = results
+          .map(r => r.title!)
+          .filter(title => !excludedOwners.includes(title));
+
+        setAvailableOwners(owners);
+      })
+      .catch(() => {
+        setAvailableOwners([]);
+      });
+  }, [host, accessToken, scaffolderApi, excludedOwners]);
+
+  useDebounce(updateAvailableOwners, 500, [updateAvailableOwners]);
+
+  if (theme === 'bui') {
+    const options = availableOwners.map(o => ({ label: o, value: o }));
+
+    return (
+      <BuiAutocomplete
+        label={schema?.title ?? t('fields.repoOwnerPicker.title')}
+        description={
+          schema?.description ?? t('fields.repoOwnerPicker.description')
+        }
+        inputValue={owner ?? ''}
+        onInputChange={value => onChange({ owner: value })}
+        onSelectionChange={(key: Key | null) => {
+          if (key !== null) {
+            onChange({ owner: String(key) });
+          }
+        }}
+        options={options}
+        isDisabled={isDisabled}
+        isRequired={required}
+        isInvalid={rawErrors?.length > 0 && !owner}
+      />
+    );
+  }
+
+  return (
+    <FormControl
+      margin="normal"
+      required={required}
+      error={rawErrors?.length > 0 && !owner}
+    >
+      <MuiAutocomplete
+        value={owner}
+        onChange={(_, newValue) => {
+          onChange({ owner: newValue || '' });
+        }}
+        disabled={isDisabled}
+        options={availableOwners}
+        renderInput={params => (
+          <MuiTextField
+            {...params}
+            label={schema?.title ?? t('fields.repoOwnerPicker.title')}
+            disabled={isDisabled}
+            required={required}
+          />
+        )}
+        freeSolo
+        autoSelect
+      />
+      <FormHelperText>
+        {schema?.description ?? t('fields.repoOwnerPicker.description')}
+      </FormHelperText>
+    </FormControl>
+  );
+};
diff --git a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.test.tsx b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.test.tsx
index c51d74416b..d7f8d2f71d 100644
--- a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.test.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.test.tsx
@@ -29,6 +29,7 @@ import {
   scaffolderApiRef,
   useTemplateSecrets,
   ScaffolderRJSFField,
+  ScaffolderApi,
 } from '@backstage/plugin-scaffolder-react';
 import { act, fireEvent, screen } from '@testing-library/react';
 import { RepoOwnerPicker } from './RepoOwnerPicker';
@@ -38,6 +39,10 @@ describe('RepoOwnerPicker', () => {
     byHost: () => ({ type: 'github' }),
   };
 
+  const mockIntegrationsApiGitLab: Partial<ScmIntegrationsApi> = {
+    byHost: () => ({ type: 'gitlab' }),
+  };
+
   let mockScmAuthApi: Partial<ScmAuthApi>;
 
   beforeEach(() => {
@@ -305,4 +310,204 @@ describe('RepoOwnerPicker', () => {
       expect(getByText('abc123')).toBeInTheDocument();
     });
   });
+
+  describe('requestUserCredentialsGitLab', () => {
+    it('should call the scmAuthApi with the correct params', async () => {
+      const secretsKey = 'testKey';
+
+      const SecretsComponent = () => {
+        const { secrets } = useTemplateSecrets();
+        const secret = secrets[secretsKey];
+        return secret ? <div>{secret}</div> : null;
+      };
+
+      const { getByText } = await renderInTestApp(
+        <TestApiProvider
+          apis={[
+            [scmIntegrationsApiRef, mockIntegrationsApiGitLab],
+            [scmAuthApiRef, mockScmAuthApi],
+            [scaffolderApiRef, {}],
+          ]}
+        >
+          <SecretsContextProvider>
+            <Form
+              validator={validator}
+              schema={{ type: 'string' }}
+              uiSchema={{
+                'ui:field': 'RepoOwnerPicker',
+                'ui:options': {
+                  host: 'gitlab.com',
+                  requestUserCredentials: {
+                    secretsKey,
+                    additionalScopes: { gitlab: ['workflow'] },
+                  },
+                },
+              }}
+              fields={{
+                RepoOwnerPicker: RepoOwnerPicker as ScaffolderRJSFField<string>,
+              }}
+            />
+            <SecretsComponent />
+          </SecretsContextProvider>
+        </TestApiProvider>,
+      );
+
+      await act(async () => {
+        // need to wait for the debounce to finish
+        await new Promise(resolve => setTimeout(resolve, 600));
+      });
+
+      expect(mockScmAuthApi.getCredentials).toHaveBeenCalledWith({
+        url: 'https://gitlab.com',
+        additionalScope: {
+          repoWrite: true,
+          customScopes: {
+            gitlab: ['workflow'],
+          },
+        },
+      });
+
+      expect(getByText('abc123')).toBeInTheDocument();
+    });
+
+    it('should call the scmAuthApi with the correct params if workspace is nested', async () => {
+      await renderInTestApp(
+        <TestApiProvider
+          apis={[
+            [scmIntegrationsApiRef, mockIntegrationsApiGitLab],
+            [scmAuthApiRef, mockScmAuthApi],
+            [scaffolderApiRef, {}],
+          ]}
+        >
+          <SecretsContextProvider>
+            <Form
+              validator={validator}
+              schema={{ type: 'string' }}
+              uiSchema={{
+                'ui:field': 'RepoOwnerPicker',
+                'ui:options': {
+                  host: 'gitlab.com',
+                  requestUserCredentials: {
+                    secretsKey: 'testKey',
+                  },
+                },
+              }}
+              fields={{
+                RepoOwnerPicker: RepoOwnerPicker as ScaffolderRJSFField<string>,
+              }}
+            />
+          </SecretsContextProvider>
+        </TestApiProvider>,
+      );
+
+      await act(async () => {
+        // need to wait for the debounce to finish
+        await new Promise(resolve => setTimeout(resolve, 600));
+      });
+
+      expect(mockScmAuthApi.getCredentials).toHaveBeenCalledWith({
+        url: 'https://gitlab.com',
+        additionalScope: {
+          repoWrite: true,
+        },
+      });
+    });
+
+    it('should not call the scmAuthApi if secret is available in the state', async () => {
+      const secretsKey = 'testKey';
+
+      const SecretsComponent = () => {
+        const { secrets } = useTemplateSecrets();
+        const secret = secrets[secretsKey];
+        return secret ? <div>{secret}</div> : null;
+      };
+
+      const { getByText } = await renderInTestApp(
+        <TestApiProvider
+          apis={[
+            [scmIntegrationsApiRef, mockIntegrationsApiGitLab],
+            [scmAuthApiRef, mockScmAuthApi],
+            [scaffolderApiRef, {}],
+          ]}
+        >
+          <SecretsContextProvider initialSecrets={{ [secretsKey]: 'abc123' }}>
+            <Form
+              validator={validator}
+              schema={{ type: 'string' }}
+              uiSchema={{
+                'ui:field': 'RepoOwnerPicker',
+                'ui:options': {
+                  host: 'gitlab.com',
+                  requestUserCredentials: {
+                    secretsKey,
+                    additionalScopes: { gitlab: ['workflow'] },
+                  },
+                },
+              }}
+              fields={{
+                RepoOwnerPicker: RepoOwnerPicker as ScaffolderRJSFField<string>,
+              }}
+            />
+            <SecretsComponent />
+          </SecretsContextProvider>
+        </TestApiProvider>,
+      );
+
+      await act(async () => {
+        // need to wait for the debounce to finish
+        await new Promise(resolve => setTimeout(resolve, 600));
+      });
+
+      // as we already have a secret in the state, getCredentials should not be called again.
+      expect(mockScmAuthApi.getCredentials).toHaveBeenCalledTimes(0);
+
+      expect(getByText('abc123')).toBeInTheDocument();
+    });
+
+    it('should route to GitLabRepoOwnerPicker and call autocomplete with gitlab provider and groups resource', async () => {
+      const secretsKey = 'testKey';
+      const mockScaffolderApi: Partial<ScaffolderApi> = {
+        autocomplete: jest.fn().mockResolvedValue({ results: [] }),
+      };
+
+      await renderInTestApp(
+        <TestApiProvider
+          apis={[
+            [scmIntegrationsApiRef, mockIntegrationsApiGitLab],
+            [scmAuthApiRef, mockScmAuthApi],
+            [scaffolderApiRef, mockScaffolderApi],
+          ]}
+        >
+          <SecretsContextProvider initialSecrets={{ [secretsKey]: 'abc123' }}>
+            <Form
+              validator={validator}
+              schema={{ type: 'string' }}
+              uiSchema={{
+                'ui:field': 'RepoOwnerPicker',
+                'ui:options': {
+                  host: 'gitlab.com',
+                  requestUserCredentials: { secretsKey },
+                },
+              }}
+              fields={{
+                RepoOwnerPicker: RepoOwnerPicker as ScaffolderRJSFField<string>,
+              }}
+            />
+          </SecretsContextProvider>
+        </TestApiProvider>,
+      );
+
+      await act(async () => {
+        // wait for both the RepoOwnerPicker and GitLabRepoOwnerPicker debounces
+        await new Promise(resolve => setTimeout(resolve, 600));
+      });
+
+      expect(mockScaffolderApi.autocomplete).toHaveBeenCalledWith({
+        token: 'abc123',
+        resource: 'groups',
+        provider: 'gitlab',
+        context: { host: 'gitlab.com' },
+      });
+    });
+  });
 });
diff --git a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.tsx b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.tsx
index 42c5251d1f..024f7f03a1 100644
--- a/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoOwnerPicker/RepoOwnerPicker.tsx
@@ -27,6 +27,8 @@ import { RepoOwnerPickerProps } from './schema';
 import { RepoOwnerPickerState } from './types';
 import { DefaultRepoOwnerPicker } from './DefaultRepoOwnerPicker';
 import { GitHubRepoOwnerPicker } from './GitHubRepoOwnerPicker';
+import { GitLabRepoOwnerPicker } from './GitLabRepoOwnerPicker';
+
 /**
  * The underlying component that is rendered in the form for the `RepoOwnerPicker`
  * field extension.
@@ -118,6 +120,22 @@ export const RepoOwnerPicker = (props: RepoOwnerPickerProps) => {
           excludedOwners={excludedOwners}
         />
       );
+    case 'gitlab':
+      return (
+        <GitLabRepoOwnerPicker
+          onChange={updateLocalState}
+          state={state}
+          rawErrors={rawErrors}
+          accessToken={
+            uiSchema?.['ui:options']?.requestUserCredentials?.secretsKey &&
+            secrets[uiSchema['ui:options'].requestUserCredentials.secretsKey]
+          }
+          isDisabled={uiSchema?.['ui:disabled'] ?? false}
+          required={required}
+          schema={schema}
+          excludedOwners={excludedOwners}
+        />
+      );
     default:
       return (
         <DefaultRepoOwnerPicker