diff --git a/app/main.py b/app/main.py
index c032ff2..a056c9a 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1097,6 +1097,22 @@ async def admin_overview(token: str):
     ).fetchall()
     conn.close()
 
+    # Fetch Cloudron users once to map user_id → username (most provisioned
+    # members have username=None, so we surface it only when it exists).
+    usernames = {}
+    try:
+        async with httpx.AsyncClient(timeout=15.0) as client:
+            r = await client.get(
+                f"{CLOUDRON_API}/api/v1/users",
+                headers={"Authorization": f"Bearer {CLOUDRON_TOKEN}"},
+            )
+            r.raise_for_status()
+            for u in r.json().get("users", []):
+                if u.get("username"):
+                    usernames[u.get("id")] = u["username"]
+    except Exception as e:
+        logger.warning("admin overview: cloudron users fetch failed: %s", e)
+
     # Fetch team spend/budget from LiteLLM once.
     teams = {}
     try:
@@ -1120,6 +1136,7 @@ async def admin_overview(token: str):
         members.append(
             {
                 "email": email,
+                "username": usernames.get(user_id),
                 "active": bool(active),
                 "balance": float(balance) if balance is not None else MEMBER_BUDGET,
                 "spend": spend,