| Fwa River fr|Rivière Fwa | |
| Pushpin Map: |
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| Pushpin Map Caption: | Where the Fwa River flows into the Lubi River |
| Mouth: | Lubi River |
| Mouth Location: | Kasaï-Oriental and Kasaï-Central |
| Mouth Coordinates: | -5.7111°N 23.4176°W |
The Fwa (French: Rivière Fwa) is a river in the Democratic Republic of the Congo in central Africa, flowing through Kasai-Oriental province. The river is a tributary of the Lubi River, which is a tributary to the Sankuru River, in the southeastern Congo River drainage basin.
The river is particularly notable for its diverse community of fish. This community includes five endemic cichlid species: Cyclopharynx fwae, C. schwetzi, Schwetzochromis neodon, Thoracochromis brauschi and T. callichromus.