| Koulountou River | |
| Map: | Gambiarivermap.png |
| Mapframe: | yes |
| Mapframe-Zoom: | 6 |
| Subdivision Type1: | Countries |
| Length Km: | 1120 |
| Length Ref: | [1] |
| Source1: | Fouta Djallon |
| Mouth: | Atlantic Ocean |
| Mouth Location: | Banjul |
| Mouth Coordinates: | 13.25°N -13.6167°W |
The Koulountou River (French: Rivière Koulountou) is a river in Senegal and Guinea. It is a tributary of the Gambia River.[2]
The river's source is the Fouta Djallon plateau in northern Guinea. For most of its course, the river flows through southern Senegal.
Settlements on the river include Nadjaf Al Ashraf in Vélingara Department, Senegal.[3]