The Capim River () is a river in the state of Pará, Brazil. It is a tributary of the Guamá River.
The GurupÃÂ, 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 TocantinsâÂÂAraguaiaâÂÂMaranhão moist forests ecoregion.