diff --git a/.changeset/good-papayas-fetch.md b/.changeset/good-papayas-fetch.md
new file mode 100644
index 0000000000..6cd74ce064
--- /dev/null
+++ b/.changeset/good-papayas-fetch.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Adds optional namespacing for users in the GitHub Multi Org Plugin
diff --git a/plugins/catalog-backend/config.d.ts b/plugins/catalog-backend/config.d.ts
index 7da9cad139..5701c9df48 100644
--- a/plugins/catalog-backend/config.d.ts
+++ b/plugins/catalog-backend/config.d.ts
@@ -163,6 +163,13 @@ export interface Config {
            * Defaults to org name if omitted.
            */
           groupNamespace?: string;
+
+          /**
+           * The namespace of the users created from this org.
+           *
+           * Defaults to empty string if omitted.
+           */
+          userNamespace?: string;
         }>;
       };
 
diff --git a/plugins/catalog-backend/src/ingestion/processors/GithubMultiOrgReaderProcessor.ts b/plugins/catalog-backend/src/ingestion/processors/GithubMultiOrgReaderProcessor.ts
index ebfcaf5b5d..00b173777d 100644
--- a/plugins/catalog-backend/src/ingestion/processors/GithubMultiOrgReaderProcessor.ts
+++ b/plugins/catalog-backend/src/ingestion/processors/GithubMultiOrgReaderProcessor.ts
@@ -111,6 +111,7 @@ export class GithubMultiOrgReaderProcessor implements CatalogProcessor {
           client,
           orgConfig.name,
           tokenType,
+          orgConfig.userNamespace,
         );
         const { groups, groupMemberUsers } = await getOrganizationTeams(
           client,
@@ -123,15 +124,18 @@ export class GithubMultiOrgReaderProcessor implements CatalogProcessor {
           `Read ${users.length} GitHub users and ${groups.length} GitHub teams from ${orgConfig.name} in ${duration} seconds`,
         );
 
+        let prefix: string = orgConfig.userNamespace ?? '';
+        if (prefix.length > 0) prefix += '/';
+
         users.forEach(u => {
-          if (!allUsersMap.has(u.metadata.name)) {
-            allUsersMap.set(u.metadata.name, u);
+          if (!allUsersMap.has(prefix + u.metadata.name)) {
+            allUsersMap.set(prefix + u.metadata.name, u);
           }
         });
 
         for (const [groupName, userNames] of groupMemberUsers.entries()) {
           for (const userName of userNames) {
-            const user = allUsersMap.get(userName);
+            const user = allUsersMap.get(prefix + userName);
             if (user && !user.spec.memberOf.includes(groupName)) {
               user.spec.memberOf.push(groupName);
             }
diff --git a/plugins/catalog-backend/src/ingestion/processors/github/config.test.ts b/plugins/catalog-backend/src/ingestion/processors/github/config.test.ts
index 7bdc28e6dd..a67d2378d0 100644
--- a/plugins/catalog-backend/src/ingestion/processors/github/config.test.ts
+++ b/plugins/catalog-backend/src/ingestion/processors/github/config.test.ts
@@ -78,32 +78,48 @@ describe('config', () => {
   });
 
   describe('readGithubMultiOrgConfig', () => {
-    function config(orgs: { name: string; groupNamespace?: string }[]) {
+    function config(
+      orgs: { name: string; groupNamespace?: string; userNamespace?: string }[],
+    ) {
       return new ConfigReader({ orgs });
     }
 
     it('reads org configs', () => {
       const output = readGithubMultiOrgConfig(
         config([
-          { name: 'foo', groupNamespace: 'apple' },
-          { name: 'bar', groupNamespace: 'Orange' },
+          { name: 'foo', groupNamespace: 'apple', userNamespace: 'red' },
+          { name: 'bar', groupNamespace: 'Orange', userNamespace: 'blue' },
         ]),
       );
 
       expect(output).toEqual([
-        { name: 'foo', groupNamespace: 'apple' },
-        { name: 'bar', groupNamespace: 'orange' },
+        { name: 'foo', groupNamespace: 'apple', userNamespace: 'red' },
+        { name: 'bar', groupNamespace: 'orange', userNamespace: 'blue' },
       ]);
     });
 
     it('defaults groupNamespace to org name if undefined', () => {
+      const output = readGithubMultiOrgConfig(
+        config([
+          { name: 'foo', userNamespace: 'red' },
+          { name: 'bar', userNamespace: 'blue' },
+        ]),
+      );
+
+      expect(output).toEqual([
+        { name: 'foo', groupNamespace: 'foo', userNamespace: 'red' },
+        { name: 'bar', groupNamespace: 'bar', userNamespace: 'blue' },
+      ]);
+    });
+
+    it('defaults userNamespace to undefined if unspecified', () => {
       const output = readGithubMultiOrgConfig(
         config([{ name: 'foo' }, { name: 'bar' }]),
       );
 
       expect(output).toEqual([
-        { name: 'foo', groupNamespace: 'foo' },
-        { name: 'bar', groupNamespace: 'bar' },
+        { name: 'foo', groupNamespace: 'foo', userNamespace: undefined },
+        { name: 'bar', groupNamespace: 'bar', userNamespace: undefined },
       ]);
     });
   });
diff --git a/plugins/catalog-backend/src/ingestion/processors/github/config.ts b/plugins/catalog-backend/src/ingestion/processors/github/config.ts
index 40305ff1f2..df9e19ff10 100644
--- a/plugins/catalog-backend/src/ingestion/processors/github/config.ts
+++ b/plugins/catalog-backend/src/ingestion/processors/github/config.ts
@@ -95,6 +95,10 @@ export type GithubMultiOrgConfig = Array<{
    * The namespace of the group created for this org.
    */
   groupNamespace: string;
+  /**
+   * The namespace of the users created for this org. If not specified defaults to undefined.
+   */
+  userNamespace: string | undefined;
 }>;
 
 export function readGithubMultiOrgConfig(config: Config): GithubMultiOrgConfig {
@@ -104,5 +108,6 @@ export function readGithubMultiOrgConfig(config: Config): GithubMultiOrgConfig {
     groupNamespace: (
       c.getOptionalString('groupNamespace') ?? c.getString('name')
     ).toLowerCase(),
+    userNamespace: c.getOptionalString('userNamespace') ?? undefined,
   }));
 }
diff --git a/plugins/catalog-backend/src/ingestion/processors/github/github.ts b/plugins/catalog-backend/src/ingestion/processors/github/github.ts
index fbbe9b3470..547568d8d2 100644
--- a/plugins/catalog-backend/src/ingestion/processors/github/github.ts
+++ b/plugins/catalog-backend/src/ingestion/processors/github/github.ts
@@ -82,6 +82,7 @@ export async function getOrganizationUsers(
   client: typeof graphql,
   org: string,
   tokenType: GithubCredentialType,
+  userNamespace?: string,
 ): Promise<{ users: UserEntity[] }> {
   const query = `
     query users($org: String!, $email: Boolean!, $cursor: String) {
@@ -117,6 +118,7 @@ export async function getOrganizationUsers(
       },
     };
 
+    if (userNamespace) entity.metadata.namespace = userNamespace;
     if (user.bio) entity.metadata.description = user.bio;
     if (user.name) entity.spec.profile!.displayName = user.name;
     if (user.email) entity.spec.profile!.email = user.email;