| Mucutá River | |
| Pushpin Map: | Brazil |
| River System: | Piriá River |
| Mouth Location: | Piriá River |
| Mouth Coordinates: | -1.6453°N -50.0182°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Mucutá River (Portuguese: Rio Mucutá) is a river in the state of Pará, Brazil. It is a tributary of the Piriá River.
The river is on the island of Marajó to the northwest of Belém in the delta region where the Amazon and Tocantins rivers empty into the Atlantic Ocean.It runs through part of the Terra Grande-Pracuúba Extractive Reserve, a sustainable use conservation unit created in 2006.