diff --git a/frontend/src/pages/mobile/public/Schedule.jsx b/frontend/src/pages/mobile/public/Schedule.jsx
index f833d5e..e6ba6c3 100644
--- a/frontend/src/pages/mobile/public/Schedule.jsx
+++ b/frontend/src/pages/mobile/public/Schedule.jsx
@@ -686,9 +686,13 @@ function MobileSchedule() {
                             const day = String(date.getDate()).padStart(2, '0');
                             const dateStr = `${year}-${month}-${day}`;
                             
-                            // 해당 날짜의 일정 목록 (최대 3개)
+                            // 해당 날짜의 일정 목록 (최대 3개, 카테고리 필터 적용)
                             const daySchedules = schedules
-                                .filter(s => s.date?.split('T')[0] === dateStr)
+                                .filter(s => {
+                                    const matchesDate = s.date?.split('T')[0] === dateStr;
+                                    const matchesCategory = selectedCategories.length === 0 || selectedCategories.includes(s.category_id);
+                                    return matchesDate && matchesCategory;
+                                })
                                 .slice(0, 3);
                             
                             return (
diff --git a/frontend/src/pages/pc/public/Schedule.jsx b/frontend/src/pages/pc/public/Schedule.jsx
index c04d0d1..d32a097 100644
--- a/frontend/src/pages/pc/public/Schedule.jsx
+++ b/frontend/src/pages/pc/public/Schedule.jsx
@@ -804,11 +804,13 @@ function Schedule() {
                                             const dayOfWeek = (firstDay + i) % 7;
                                             const isToday = new Date().toDateString() === new Date(year, month, day).toDateString();
                                             
-                                            // 해당 날짜의 일정 목록 (점 표시용, 최대 3개)
+                                            // 해당 날짜의 일정 목록 (점 표시용, 최대 3개, 카테고리 필터 적용)
                                             const daySchedules = schedules.filter(s => {
                                                 const scheduleDate = s.date ? s.date.split('T')[0] : '';
                                                 const dateStr = `${year}-${String(month + 1).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
-                                                return scheduleDate === dateStr;
+                                                const matchesDate = scheduleDate === dateStr;
+                                                const matchesCategory = selectedCategories.length === 0 || selectedCategories.includes(s.category_id);
+                                                return matchesDate && matchesCategory;
                                             }).slice(0, 3);
 
                                             return (