diff --git a/app/modules/project/router.py b/app/modules/project/router.py
index b8c1ce1..30d04d2 100644
--- a/app/modules/project/router.py
+++ b/app/modules/project/router.py
@@ -263,10 +263,19 @@ def _build_task_calendar(
                 continue
             seg_start = max(rs, w_start)
             seg_end = min(re_, w_end)
+            # bar 라벨: [프로젝트명] 제목 · 담당자(아이디)
+            assignee = (t.get("assignee_email") or "").split("@")[0]
+            proj = t.get("project_name") or ""
+            parts = []
+            if proj:
+                parts.append(f"[{proj}]")
+            parts.append(t["title"])
+            if assignee:
+                parts.append(f"· {assignee}")
             bars.append(
                 {
                     "id": t["id"],
-                    "label": t["title"],
+                    "label": " ".join(parts),
                     "color": t.get("project_color") or "#4573d2",
                     "completed": bool(t.get("completed_at")),
                     "start_col": (seg_start - w_start).days,