Pacajá River

The Pacajá River (Rio Pacajá) is a river of Pará state in north-central Brazil. It is a tributary of the Pará River, a channel that connects the Amazon and Tocantins rivers to the south of Marajó island.

The basin of the Pacajá River is in the Xingu–Tocantins–Araguaia moist forests ecoregion.