| Falsino River | |
| Pushpin Map: | Brazil |
| River System: | Araguari River |
| Source1 Location: | Amapá state |
| Mouth Coordinates: | 0.9247°N -51.5949°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Falsino River (Portuguese: Rio Falsino) is a river of Amapá state in north-eastern Brazil. It is a tributary of the Araguari River.
The river defines the eastern boundary of the Amapá National Forest, a sustainable use conservation unit created in 1989.