diff --git a/.changeset/fair-lines-warn.md b/.changeset/fair-lines-warn.md
new file mode 100644
index 0000000000..ffd387efbf
--- /dev/null
+++ b/.changeset/fair-lines-warn.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-auth-backend-module-github-provider': minor
+'@backstage/plugin-catalog-backend-module-github': minor
+---
+
+Added the `github.com/user-id` annotation to store GitHub's user ID (immutable) in user entities. Also includes addition of the `userIdMatchingUserEntityAnnotation` sign-in resolver that matches users by the new ID.
diff --git a/plugins/auth-backend-module-github-provider/report.api.md b/plugins/auth-backend-module-github-provider/report.api.md
index 6bad840d00..4581115679 100644
--- a/plugins/auth-backend-module-github-provider/report.api.md
+++ b/plugins/auth-backend-module-github-provider/report.api.md
@@ -17,13 +17,25 @@ export default authModuleGithubProvider;
 // @public (undocumented)
 export const githubAuthenticator: OAuthAuthenticator<
   PassportOAuthAuthenticatorHelper,
-  PassportProfile
+  GithubProfile
 >;
 
+// @public (undocumented)
+export type GithubProfile = PassportProfile & {
+  nodeId?: string;
+};
+
 // @public
 export namespace githubSignInResolvers {
   const usernameMatchingUserEntityName: SignInResolverFactory<
-    OAuthAuthenticatorResult<PassportProfile>,
+    OAuthAuthenticatorResult<GithubProfile>,
+    | {
+        dangerouslyAllowSignInWithoutUserInCatalog?: boolean | undefined;
+      }
+    | undefined
+  >;
+  const userIdMatchingUserEntityAnnotation: SignInResolverFactory<
+    OAuthAuthenticatorResult<GithubProfile>,
     | {
         dangerouslyAllowSignInWithoutUserInCatalog?: boolean | undefined;
       }
diff --git a/plugins/auth-backend-module-github-provider/src/authenticator.ts b/plugins/auth-backend-module-github-provider/src/authenticator.ts
index e9dc29e4a6..fa3e2b0987 100644
--- a/plugins/auth-backend-module-github-provider/src/authenticator.ts
+++ b/plugins/auth-backend-module-github-provider/src/authenticator.ts
@@ -22,10 +22,18 @@ import {
   PassportProfile,
 } from '@backstage/plugin-auth-node';
 
+/** @public */
+export type GithubProfile = PassportProfile & {
+  nodeId?: string;
+};
+
 const ACCESS_TOKEN_PREFIX = 'access-token-v2.';
 
 /** @public */
-export const githubAuthenticator = createOAuthAuthenticator({
+export const githubAuthenticator = createOAuthAuthenticator<
+  PassportOAuthAuthenticatorHelper,
+  GithubProfile
+>({
   defaultProfileTransform:
     PassportOAuthAuthenticatorHelper.defaultProfileTransform,
   scopes: {
@@ -90,7 +98,7 @@ export const githubAuthenticator = createOAuthAuthenticator({
     if (!session.refreshToken && !session.expiresInSeconds) {
       session.refreshToken = ACCESS_TOKEN_PREFIX + session.accessToken;
     }
-    return { fullProfile, session };
+    return { fullProfile: fullProfile as GithubProfile, session };
   },
 
   async refresh(input, helper) {
@@ -115,7 +123,7 @@ export const githubAuthenticator = createOAuthAuthenticator({
         });
 
       return {
-        fullProfile,
+        fullProfile: fullProfile as GithubProfile,
         session: {
           accessToken,
           tokenType: 'bearer',
diff --git a/plugins/auth-backend-module-github-provider/src/index.ts b/plugins/auth-backend-module-github-provider/src/index.ts
index 646ba7c92a..678e188461 100644
--- a/plugins/auth-backend-module-github-provider/src/index.ts
+++ b/plugins/auth-backend-module-github-provider/src/index.ts
@@ -20,6 +20,6 @@
  * @packageDocumentation
  */
 
-export { githubAuthenticator } from './authenticator';
+export { githubAuthenticator, type GithubProfile } from './authenticator';
 export { authModuleGithubProvider as default } from './module';
 export { githubSignInResolvers } from './resolvers';
diff --git a/plugins/auth-backend-module-github-provider/src/resolvers.ts b/plugins/auth-backend-module-github-provider/src/resolvers.ts
index 5a6934439f..e065432826 100644
--- a/plugins/auth-backend-module-github-provider/src/resolvers.ts
+++ b/plugins/auth-backend-module-github-provider/src/resolvers.ts
@@ -17,11 +17,12 @@
 import {
   createSignInResolverFactory,
   OAuthAuthenticatorResult,
-  PassportProfile,
   SignInInfo,
 } from '@backstage/plugin-auth-node';
 import { z } from 'zod';
 
+import { GithubProfile } from './authenticator';
+
 /**
  * Available sign-in resolvers for the GitHub auth provider.
  *
@@ -39,7 +40,7 @@ export namespace githubSignInResolvers {
       .optional(),
     create(options = {}) {
       return async (
-        info: SignInInfo<OAuthAuthenticatorResult<PassportProfile>>,
+        info: SignInInfo<OAuthAuthenticatorResult<GithubProfile>>,
         ctx,
       ) => {
         const { fullProfile } = info.result;
@@ -63,4 +64,44 @@ export namespace githubSignInResolvers {
       };
     },
   });
+
+  /**
+   * Looks up the user by matching their GitHub user ID to the github.com/user-id annotation.
+   */
+  export const userIdMatchingUserEntityAnnotation = createSignInResolverFactory(
+    {
+      optionsSchema: z
+        .object({
+          dangerouslyAllowSignInWithoutUserInCatalog: z.boolean().optional(),
+        })
+        .optional(),
+      create(options = {}) {
+        return async (
+          info: SignInInfo<OAuthAuthenticatorResult<GithubProfile>>,
+          ctx,
+        ) => {
+          const { fullProfile } = info.result;
+
+          const userId = fullProfile.nodeId;
+          if (!userId) {
+            throw new Error(`GitHub user profile does not contain a user ID`);
+          }
+
+          return ctx.signInWithCatalogUser(
+            {
+              annotations: {
+                'github.com/user-id': userId,
+              },
+            },
+            {
+              dangerousEntityRefFallback:
+                options?.dangerouslyAllowSignInWithoutUserInCatalog
+                  ? { entityRef: { name: userId } }
+                  : undefined,
+            },
+          );
+        };
+      },
+    },
+  );
 }
diff --git a/plugins/catalog-backend-module-github/report.api.md b/plugins/catalog-backend-module-github/report.api.md
index aa275cfc9e..25fc58be79 100644
--- a/plugins/catalog-backend-module-github/report.api.md
+++ b/plugins/catalog-backend-module-github/report.api.md
@@ -307,6 +307,7 @@ export type GithubTeam = {
 // @public
 export type GithubUser = {
   login: string;
+  id?: string;
   bio?: string;
   avatarUrl?: string;
   email?: string;
diff --git a/plugins/catalog-backend-module-github/src/lib/annotation.ts b/plugins/catalog-backend-module-github/src/lib/annotation.ts
index 4db6ffb975..2d06388d65 100644
--- a/plugins/catalog-backend-module-github/src/lib/annotation.ts
+++ b/plugins/catalog-backend-module-github/src/lib/annotation.ts
@@ -35,3 +35,13 @@ export const ANNOTATION_GITHUB_USER_LOGIN = 'github.com/user-login';
  * @public
  */
 export const ANNOTATION_GITHUB_TEAM_SLUG = 'github.com/team-slug';
+
+/**
+ * The value of this annotation is the unique identifier for a user on
+ * [GitHub](https://github.com) (either the public one, or a private GitHub
+ * Enterprise installation) that is related to this entity. This is a stable
+ * identifier that persists even if the user changes their login name.
+ *
+ * @public
+ */
+export const ANNOTATION_GITHUB_USER_ID = 'github.com/user-id';
diff --git a/plugins/catalog-backend-module-github/src/lib/defaultTransformers.ts b/plugins/catalog-backend-module-github/src/lib/defaultTransformers.ts
index 6befd32056..4de9af89c8 100644
--- a/plugins/catalog-backend-module-github/src/lib/defaultTransformers.ts
+++ b/plugins/catalog-backend-module-github/src/lib/defaultTransformers.ts
@@ -19,6 +19,7 @@ import { graphql } from '@octokit/graphql';
 import {
   ANNOTATION_GITHUB_TEAM_SLUG,
   ANNOTATION_GITHUB_USER_LOGIN,
+  ANNOTATION_GITHUB_USER_ID,
 } from './annotation';
 import { GithubTeam, GithubUser } from './github';
 
@@ -69,6 +70,7 @@ export const defaultUserTransformer = async (
       name: item.login,
       annotations: {
         [ANNOTATION_GITHUB_USER_LOGIN]: item.login,
+        ...(item.id && { [ANNOTATION_GITHUB_USER_ID]: item.id }),
       },
     },
     spec: {
diff --git a/plugins/catalog-backend-module-github/src/lib/github.ts b/plugins/catalog-backend-module-github/src/lib/github.ts
index bd77df4da7..0690ca125b 100644
--- a/plugins/catalog-backend-module-github/src/lib/github.ts
+++ b/plugins/catalog-backend-module-github/src/lib/github.ts
@@ -112,6 +112,7 @@ export type GithubOrg = {
  */
 export type GithubUser = {
   login: string;
+  id?: string;
   bio?: string;
   avatarUrl?: string;
   email?: string;
@@ -202,6 +203,7 @@ export async function getOrganizationUsers(
             avatarUrl,
             bio,
             email @include(if: $email),
+            id,
             login,
             name,
             ${suspendedAtField}
@@ -268,6 +270,7 @@ export async function getOrganizationTeams(
                 avatarUrl,
                 bio,
                 email,
+                id,
                 login,
                 name,
                 organizationVerifiedDomainEmails(login: $org)
@@ -362,6 +365,7 @@ export async function getOrganizationTeamsFromUsers(
             avatarUrl,
             bio,
             email,
+            id,
             login,
             name,
             organizationVerifiedDomainEmails(login: $org)
diff --git a/plugins/catalog-backend-module-github/src/lib/index.ts b/plugins/catalog-backend-module-github/src/lib/index.ts
index ac73430d33..48050e96bb 100644
--- a/plugins/catalog-backend-module-github/src/lib/index.ts
+++ b/plugins/catalog-backend-module-github/src/lib/index.ts
@@ -38,3 +38,8 @@ export {
   buildOrgHierarchy,
 } from './org';
 export { parseGithubOrgUrl } from './util';
+export {
+  ANNOTATION_GITHUB_USER_LOGIN,
+  ANNOTATION_GITHUB_TEAM_SLUG,
+  ANNOTATION_GITHUB_USER_ID,
+} from './annotation';
diff --git a/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.test.ts b/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.test.ts
index 1aa1af46d7..e80579ee36 100644
--- a/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.test.ts
+++ b/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.test.ts
@@ -94,6 +94,7 @@ describe('GithubMultiOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -101,6 +102,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'x',
+                  id: 'g',
                   name: 'y',
                   bio: 'z',
                   email: 'w',
@@ -128,7 +130,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'x' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'x', id: 'g' },
+                    ],
                   },
                 },
               ],
@@ -156,6 +161,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'q',
+                  id: 'h',
                   name: 'r',
                   bio: 's',
                   email: 't',
@@ -183,7 +189,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'q' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'q', id: 'h' },
+                    ],
                   },
                 },
               ],
@@ -215,6 +224,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/a',
                   'github.com/user-login': 'a',
+                  'github.com/user-id': 'f',
                 },
                 description: 'c',
                 name: 'a',
@@ -241,6 +251,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/x',
                   'github.com/user-login': 'x',
+                  'github.com/user-id': 'g',
                 },
                 description: 'z',
                 name: 'x',
@@ -267,6 +278,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/q',
                   'github.com/user-login': 'q',
+                  'github.com/user-id': 'h',
                 },
                 description: 's',
                 name: 'q',
@@ -382,6 +394,7 @@ describe('GithubMultiOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -389,6 +402,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'x',
+                  id: 'g',
                   name: 'y',
                   bio: 'z',
                   email: 'w',
@@ -416,7 +430,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'x' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'x', id: 'g' },
+                    ],
                   },
                 },
               ],
@@ -444,6 +461,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'q',
+                  id: 'h',
                   name: 'r',
                   bio: 's',
                   email: 't',
@@ -471,7 +489,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'q' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'q', id: 'h' },
+                    ],
                   },
                 },
               ],
@@ -517,6 +538,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/a',
                   'github.com/user-login': 'a',
+                  'github.com/user-id': 'f',
                 },
                 description: 'c',
                 name: 'a',
@@ -543,6 +565,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/x',
                   'github.com/user-login': 'x',
+                  'github.com/user-id': 'g',
                 },
                 description: 'z',
                 name: 'x',
@@ -569,6 +592,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/q',
                   'github.com/user-login': 'q',
+                  'github.com/user-id': 'h',
                 },
                 description: 's',
                 name: 'q',
@@ -656,6 +680,7 @@ describe('GithubMultiOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -663,6 +688,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'x',
+                  id: 'g',
                   name: 'y',
                   bio: 'z',
                   email: 'w',
@@ -690,7 +716,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'x' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'x', id: 'g' },
+                    ],
                   },
                 },
               ],
@@ -718,6 +747,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 {
                   login: 'q',
+                  id: 'h',
                   name: 'r',
                   bio: 's',
                   email: 't',
@@ -745,7 +775,10 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   members: {
                     pageInfo: { hasNextPage: false },
-                    nodes: [{ login: 'a' }, { login: 'q' }],
+                    nodes: [
+                      { login: 'a', id: 'f' },
+                      { login: 'q', id: 'h' },
+                    ],
                   },
                 },
               ],
@@ -783,6 +816,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/a',
                   'github.com/user-login': 'a',
+                  'github.com/user-id': 'f',
                 },
                 description: 'c',
                 name: 'a',
@@ -809,6 +843,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/x',
                   'github.com/user-login': 'x',
+                  'github.com/user-id': 'g',
                 },
                 description: 'z',
                 name: 'x',
@@ -835,6 +870,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/q',
                   'github.com/user-login': 'q',
+                  'github.com/user-id': 'h',
                 },
                 description: 's',
                 name: 'q',
@@ -1099,6 +1135,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 nodes: [
                   {
                     login: 'a',
+                    id: 'f',
                     name: 'b',
                     bio: 'c',
                     email: 'd',
@@ -1126,7 +1163,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a' }],
+                      nodes: [{ login: 'a', id: 'f' }],
                     },
                   },
                 ],
@@ -1151,7 +1188,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a' }],
+                      nodes: [{ login: 'a', id: 'f' }],
                     },
                   },
                 ],
@@ -1176,7 +1213,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a' }],
+                      nodes: [{ login: 'a', id: 'f' }],
                     },
                   },
                 ],
@@ -1213,6 +1250,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   description: 'c',
                   name: 'a',
@@ -1300,7 +1338,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -1328,6 +1366,7 @@ describe('GithubMultiOrgEntityProvider', () => {
             membership: {
               user: {
                 name: 'a',
+                node_id: 'f',
                 avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
                 email: 'user1@test.com',
                 login: 'a',
@@ -1351,6 +1390,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                 },
@@ -1398,6 +1438,7 @@ describe('GithubMultiOrgEntityProvider', () => {
             membership: {
               user: {
                 name: 'a',
+                node_id: 'f',
                 avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
                 email: 'user1@test.com',
                 login: 'a',
@@ -1422,6 +1463,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                 },
@@ -1473,7 +1515,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -1493,6 +1535,7 @@ describe('GithubMultiOrgEntityProvider', () => {
             membership: {
               user: {
                 name: 'a',
+                node_id: 'f',
                 avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
                 email: 'user1@test.com',
                 login: 'a',
@@ -1516,6 +1559,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                 },
@@ -1729,7 +1773,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 members: {
                   pageInfo: { hasNextPage: false },
-                  nodes: [{ login: 'a', name: 'a' }],
+                  nodes: [{ login: 'a', id: 'f', name: 'a' }],
                 },
               },
             },
@@ -1741,6 +1785,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 nodes: [
                   {
                     login: 'a',
+                    id: 'f',
                     name: 'b',
                     bio: 'c',
                     email: 'd',
@@ -1748,6 +1793,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                   },
                   {
                     login: 'w',
+                    id: 'i',
                     name: 'x',
                     bio: 'y',
                     email: 'z',
@@ -1774,7 +1820,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -1798,7 +1844,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -1847,6 +1893,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                   description: 'c',
@@ -2110,7 +2157,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                 },
                 members: {
                   pageInfo: { hasNextPage: false },
-                  nodes: [{ login: 'a', name: 'a' }],
+                  nodes: [{ login: 'a', id: 'f', name: 'a' }],
                 },
               },
             },
@@ -2147,7 +2194,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -2171,7 +2218,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -2194,6 +2241,7 @@ describe('GithubMultiOrgEntityProvider', () => {
             member: {
               name: 'a',
               login: 'a',
+              node_id: 'f',
               avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
               email: 'user1@test.com',
             },
@@ -2245,6 +2293,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                 },
@@ -2327,7 +2376,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     },
                     members: {
                       pageInfo: { hasNextPage: false },
-                      nodes: [{ login: 'a', name: 'a' }],
+                      nodes: [{ login: 'a', id: 'f', name: 'a' }],
                     },
                   },
                 ],
@@ -2350,6 +2399,7 @@ describe('GithubMultiOrgEntityProvider', () => {
             member: {
               name: 'a',
               login: 'a',
+              node_id: 'f',
               avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
               email: 'user1@test.com',
             },
@@ -2401,6 +2451,7 @@ describe('GithubMultiOrgEntityProvider', () => {
                     'backstage.io/managed-by-origin-location':
                       'url:https://github.com/a',
                     'github.com/user-login': 'a',
+                    'github.com/user-id': 'f',
                   },
                   name: 'a',
                 },
diff --git a/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.ts b/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.ts
index 173da84f58..28d598b5b1 100644
--- a/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.ts
+++ b/plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.ts
@@ -531,7 +531,13 @@ export class GithubMultiOrgEntityProvider implements EntityProvider {
 
     const userTransformer =
       this.options.userTransformer || defaultUserTransformer;
-    const { name, avatar_url: avatarUrl, email, login } = event.membership.user;
+    const {
+      name,
+      avatar_url: avatarUrl,
+      email,
+      login,
+      node_id,
+    } = event.membership.user;
     const org = event.organization.login;
     const { headers } =
       await this.options.githubCredentialsProvider.getCredentials({
@@ -573,6 +579,7 @@ export class GithubMultiOrgEntityProvider implements EntityProvider {
         avatarUrl,
         login,
         email: email ?? undefined,
+        id: node_id,
       },
       {
         org,
@@ -818,13 +825,14 @@ export class GithubMultiOrgEntityProvider implements EntityProvider {
 
     const userTransformer =
       this.options.userTransformer || defaultUserTransformer;
-    const { name, avatar_url: avatarUrl, email, login } = event.member;
+    const { name, avatar_url: avatarUrl, email, login, node_id } = event.member;
     const user = await userTransformer(
       {
         name,
         avatarUrl,
         login,
         email: email ?? undefined,
+        id: node_id,
       },
       {
         org,
diff --git a/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.test.ts b/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.test.ts
index 17fa00b137..9be5a3e161 100644
--- a/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.test.ts
+++ b/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.test.ts
@@ -89,6 +89,7 @@ describe('GithubOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -136,6 +137,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://https://github.com/a',
                   'github.com/user-login': 'a',
+                  'github.com/user-id': 'f',
                 },
                 description: 'c',
                 name: 'a',
@@ -311,6 +313,7 @@ describe('GithubOrgEntityProvider', () => {
             'backstage.io/managed-by-origin-location':
               'url:https://github.com/githubuser',
             'github.com/user-login': 'githubuser',
+            'github.com/user-id': 'githubuserId',
           },
         },
         spec: {
@@ -331,6 +334,7 @@ describe('GithubOrgEntityProvider', () => {
             user: {
               name: 'githubuser',
               login: 'githubuser',
+              node_id: 'githubuserId',
               avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
               email: 'user1@test.com',
             },
@@ -398,6 +402,7 @@ describe('GithubOrgEntityProvider', () => {
             'backstage.io/managed-by-origin-location':
               'url:https://github.com/githubuser',
             'github.com/user-login': 'githubuser',
+            'github.com/user-id': 'githubuserId',
           },
         },
         spec: {
@@ -418,6 +423,7 @@ describe('GithubOrgEntityProvider', () => {
             user: {
               name: 'githubuser',
               login: 'githubuser',
+              node_id: 'githubuserId',
               avatar_url: 'https://avatars.githubusercontent.com/u/83820368',
               email: 'user1@test.com',
             },
@@ -778,6 +784,7 @@ describe('GithubOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -785,6 +792,7 @@ describe('GithubOrgEntityProvider', () => {
                 },
                 {
                   login: 'githubuser',
+                  id: 'githubuserId',
                   name: 'githubuser',
                   bio: 'githubuser',
                   email: 'd',
@@ -865,6 +873,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/a',
                   'github.com/user-login': 'a',
+                  'github.com/user-id': 'f',
                 },
                 name: 'a',
                 description: 'c',
@@ -891,6 +900,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/githubuser',
                   'github.com/user-login': 'githubuser',
+                  'github.com/user-id': 'githubuserId',
                 },
                 name: 'githubuser',
                 description: 'githubuser',
@@ -1029,6 +1039,7 @@ describe('GithubOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'a',
+                  id: 'f',
                   name: 'b',
                   bio: 'c',
                   email: 'd',
@@ -1036,6 +1047,7 @@ describe('GithubOrgEntityProvider', () => {
                 },
                 {
                   login: 'githubuser',
+                  id: 'githubuserId',
                   name: 'githubuser',
                   bio: 'githubuser',
                   email: 'd',
@@ -1112,6 +1124,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/githubuser',
                   'github.com/user-login': 'githubuser',
+                  'github.com/user-id': 'githubuserId',
                 },
                 name: 'githubuser',
                 description: 'githubuser',
@@ -1168,6 +1181,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/githubuser',
                   'github.com/user-login': 'githubuser',
+                  'github.com/user-id': 'githubuserId',
                 },
                 name: 'githubuser',
                 description: 'githubuser',
@@ -1277,6 +1291,7 @@ describe('GithubOrgEntityProvider', () => {
               nodes: [
                 {
                   login: 'githubuser',
+                  id: 'githubuserId',
                   name: 'githubuser',
                   bio: 'githubuser',
                   email: 'd',
@@ -1336,6 +1351,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/githubuser',
                   'github.com/user-login': 'githubuser',
+                  'github.com/user-id': 'githubuserId',
                 },
                 name: 'githubuser',
                 description: 'githubuser',
@@ -1392,6 +1408,7 @@ describe('GithubOrgEntityProvider', () => {
                   'backstage.io/managed-by-origin-location':
                     'url:https://github.com/githubuser',
                   'github.com/user-login': 'githubuser',
+                  'github.com/user-id': 'githubuserId',
                 },
                 name: 'githubuser',
                 description: 'githubuser',
diff --git a/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.ts b/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.ts
index 35ec849e12..bb4b268e62 100644
--- a/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.ts
+++ b/plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.ts
@@ -587,7 +587,13 @@ export class GithubOrgEntityProvider implements EntityProvider {
 
     const userTransformer =
       this.options.userTransformer || defaultUserTransformer;
-    const { name, avatar_url: avatarUrl, email, login } = event.membership.user;
+    const {
+      name,
+      avatar_url: avatarUrl,
+      email,
+      login,
+      node_id,
+    } = event.membership.user;
     const org = event.organization.login;
     const { headers } = await this.credentialsProvider.getCredentials({
       url: this.options.orgUrl,
@@ -603,6 +609,7 @@ export class GithubOrgEntityProvider implements EntityProvider {
         avatarUrl,
         login,
         email: email || undefined,
+        id: node_id,
         // we don't have this information in the event, so the refresh will handle that for us
         organizationVerifiedDomainEmails: [],
       },