diff --git a/apps/meteor/app/api/server/v1/channels.ts b/apps/meteor/app/api/server/v1/channels.ts
index 91c7b63c2098..7e2fea773e1d 100644
--- a/apps/meteor/app/api/server/v1/channels.ts
+++ b/apps/meteor/app/api/server/v1/channels.ts
@@ -1082,6 +1082,8 @@ API.v1.addRoute(
 
 			const [members, total] = await Promise.all([cursor.toArray(), totalCount]);
 
+			members.sort((a, b) => (a.username ?? "").localeCompare(b.username ?? ""));
+
 			return API.v1.success({
 				members,
 				count: members.length,
diff --git a/apps/meteor/app/api/server/v1/groups.ts b/apps/meteor/app/api/server/v1/groups.ts
index 1a8069fff205..b990eff3b16a 100644
--- a/apps/meteor/app/api/server/v1/groups.ts
+++ b/apps/meteor/app/api/server/v1/groups.ts
@@ -733,6 +733,7 @@ API.v1.addRoute(
 			});
 
 			const [members, total] = await Promise.all([cursor.toArray(), totalCount]);
+			members.sort((a, b) => (a.username ?? "").localeCompare(b.username ?? ""));
 
 			return API.v1.success({
 				members,
diff --git a/apps/meteor/app/api/server/v1/im.ts b/apps/meteor/app/api/server/v1/im.ts
index d74d3decfbab..673246dd6d35 100644
--- a/apps/meteor/app/api/server/v1/im.ts
+++ b/apps/meteor/app/api/server/v1/im.ts
@@ -359,6 +359,7 @@ API.v1.addRoute(
 			const { cursor, totalCount } = Users.findPaginatedByActiveUsersExcept(filter, [], options, searchFields, [extraQuery]);
 
 			const [members, total] = await Promise.all([cursor.toArray(), totalCount]);
+			members.sort((a, b) => (a.username ?? "").localeCompare(b.username ?? ""));
 
 			return API.v1.success({
 				members,