| Cuieiras River | |
|---|---|
&sq=Qlik&lang=&file=File:Bar%C3%A9_people_in_Cuieiras_river.jpg) Baré people bathing in the river | |
&sq=Qlik&lang=&file=File:Relief_Map_of_Brazil.jpg)  | |
| Native name | Rio Cuieiras (Portuguese) |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Mouth | |
• location | Rio Negro |
• coordinates | 2°49′28″S 60°30′33″W / 2.824315°S 60.509059°W |
| Basin features | |
| River system | Rio Negro |
The Cuieiras River (Portuguese: Rio Cuieiras) is a river in the municipality of Maués, Amazonas state, Brazil.