| Mucuim River | |
|---|---|
  | |
| Native name | Rio Mucuim (Portuguese) |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Mouth | |
• location | Purus River |
• coordinates | 6°32′26″S 64°20′33″W / 6.540548°S 64.342590°W |
| Length | 350 kilometres (220 mi)[1] |
| Basin features | |
| River system | Purus River |
The Mucuim River (Portuguese: Rio Mucuim) is a river in Brazil, a tributary of the Purus River.