| Buluan River | |
| Pushpin Map: | Mindanao#Philippines |
| Pushpin Map Caption: | Buluan River mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | Philippines |
| Subdivision Type2: | Region |
| Subdivision Name2: | Bangsamoro Autonomous Region |
| Subdivision Type3: | Province |
| Subdivision Name3: | Maguindanao |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Buluan |
| Length: | 109km (68miles) |
| Source1: | Lake Buluan |
| Source1 Location: | Maguindanao |
| Source1 Coordinates: | 6.7055°N 124.8029°W |
| Source2: | Palian River |
| Mouth: | Liguasan Marsh |
| Mouth Coordinates: | 6.8544°N 124.7536°W |
| Progression: | Buluan–Liguasan Marsh–Mindanao |
The Buluan River is a black river in Province of Maguindanao and Sultan Kudarat in the island of Mindanao in the Philippines. Located in Buluan joint by the Liguasan Marsh stream of the Rio Grande de Mindanao. The total length of the Buluan River system including the upper Palian River is 109km (68miles) and 36.5km (22.7miles) from Lake Buluan to Liguasan Marsh.