Otin River
| Otin River | |
|---|---|
| Location | |
| Country | Nigeria | 
| Region | Odo Otin LGA, Osun State | 
| Physical characteristics | |
| Mouth | |
 • coordinates  | 7°56′14″N 4°35′43″E / 7.937343°N 4.595186°E | 
| Length | 36 km (22 mi) | 
| Basin size | 475 km2 (183 sq mi) | 
| Basin features | |
| River system | Erinle River | 
The Otin River is a river in Inisa, Osun State, Nigeria. It is impounded by the Eko-Ende Dam.