| M'lang River | |
| Pushpin Map: | Mindanao#Philippines |
| Subdivision Type1: | Country |
| Subdivision Name1: | Philippines |
| Subdivision Type2: | Region |
| Subdivision Name2: | Soccsksargen |
| Subdivision Type3: | Province |
| Subdivision Name3: | Cotabato |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | M'lang |
| Length: | 62km (39miles) |
| Mouth Location: | Liguasan Marsh |
| Progression: | M'lang–Liguasan Marsh–Mindanao |
The M'lang River is a river located in the municipality of M'lang in Cotabato province in the Philippines. It directs from Liguasan Marsh to Pulangi River basin in flow of Mindanao River.