| Capim River | |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Mouth location in Brazil |
| River System: | Guamá River |
| Mouth Coordinates: | -1.6778°N -47.7934°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Capim River (Portuguese: Rio Capim) is a river in the state of Pará, Brazil. It is a tributary of the Guamá River.
The Gurupí, Capim and Guamá rivers flow into the mouth of the Amazon and are affected by the daily tides, which force water from the Amazon upstream.They are in the Tocantins–Araguaia–Maranhão moist forests ecoregion.