| Capitão Cardoso River | |
|---|---|
| Native name | Rio Capitão Cardoso |
| Country | Brazil |
| Basin features | |
| Main source | Rondônia state |
| River mouth | 10°59′21″S 60°27′33″W / 10.989190°S 60.459043°WCoordinates: 10°59′21″S 60°27′33″W / 10.989190°S 60.459043°W |
| River system | Roosevelt River |
The Capitão Cardoso River is a river forming part of the border between Rondônia and Mato Grosso states in western Brazil. It is a tributary of the Roosevelt River.