diff --git a/src/lib/routes/admin-api/user-admin.ts b/src/lib/routes/admin-api/user-admin.ts
index ba351649fa..611041c571 100644
--- a/src/lib/routes/admin-api/user-admin.ts
+++ b/src/lib/routes/admin-api/user-admin.ts
@@ -294,6 +294,8 @@ export default class UserAdminController extends Controller {
     anonymiseUsers(users: IUser[]): IUser[] {
         return users.map((u) => ({
             ...u,
+            name: anonymise(u.name),
+            username: anonymise(u.username),
             email: anonymise(u.email || 'random'),
             imageUrl:
                 'https://gravatar.com/avatar/21232f297a57a5a743894a0e4a801fc3?size=42&default=retro',
@@ -334,6 +336,9 @@ export default class UserAdminController extends Controller {
                 accountType: u.accountType,
             } as IUser;
         });
+        if (this.flagResolver.isEnabled('anonymiseEventLog')) {
+            users = this.anonymiseUsers(users);
+        }
 
         let allGroups = await this.groupService.getAll();
         let groups = allGroups.map((g) => {
diff --git a/src/lib/util/anonymise.ts b/src/lib/util/anonymise.ts
index 9b16d2bbdf..bd185d30ef 100644
--- a/src/lib/util/anonymise.ts
+++ b/src/lib/util/anonymise.ts
@@ -1,6 +1,9 @@
 import { createHash } from 'crypto';
 
-export function anonymise(s: string): string {
+export function anonymise(s?: string): string {
+    if (!s) {
+        return '';
+    }
     const hash = createHash('sha256')
         .update(s, 'utf-8')
         .digest('hex')
diff --git a/src/test/e2e/api/admin/user-admin.e2e.test.ts b/src/test/e2e/api/admin/user-admin.e2e.test.ts
index 4a7a1bd4b3..3544b3101d 100644
--- a/src/test/e2e/api/admin/user-admin.e2e.test.ts
+++ b/src/test/e2e/api/admin/user-admin.e2e.test.ts
@@ -372,3 +372,26 @@ test('generates USER_UPDATED event', async () => {
     expect(events[0].data.id).toBe(body.id);
     expect(events[0].data.name).toBe('New name');
 });
+
+test('Anonymises name, username and email fields if anonymiseEventLog flag is set', async () => {
+    let anonymisedApp = await setupAppWithCustomConfig(
+        stores,
+        { experimental: { flags: { anonymiseEventLog: true } } },
+        db,
+    );
+    await anonymisedApp.request
+        .post('/api/admin/user-admin')
+        .send({
+            email: 'some@getunleash.ai',
+            name: 'Some Name',
+            rootRole: editorRole.id,
+        })
+        .set('Content-Type', 'application/json');
+    let response = await anonymisedApp.request.get(
+        '/api/admin/user-admin/access',
+    );
+    let body = response.body;
+    expect(body.users[0].email).toEqual('aeb83743e@unleash.run');
+    expect(body.users[0].name).toEqual('3a8b17647@unleash.run');
+    expect(body.users[0].username).toEqual(''); // Not set, so anonymise should return the empty string.
+});