| Moa | |
| Map: | Moa Basin OSM.svg |
| Map Size: | 250px |
| Subdivision Type1: | Countries |
| Length: | [1] |
| Discharge1 Location: | Near mouth |
| Discharge1 Avg: | (Period: 1979–2015) [2] |
| River System: | Moa River |
| Tributaries Left: | Ouaou, Mauwa |
| Tributaries Right: | Mafissa, Meli, Male |
The Moa River (Makona River)[3] is a river in west Africa. It arises in the highlands of Guinea and flows southwest, forming parts of the Guinea–Liberia and the Guinea – Sierra Leone borders. It flows into the Southern Province of Sierra Leone.[3] Yenga, Tiwai Island and Sulima are located on the Moa.