| Cainsa | |
| Settlement Type: | Town |
| Pushpin Map: | Uruguay |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Uruguay |
| Subdivision Type: | Country |
| Subdivision Name: |  Uruguay |
| Subdivision Type1: | Department |
| Subdivision Name1: | Artigas Department |
| Population As Of: | 2011 |
| Population Total: | 355 |
| Timezone: | UTC - 3 |
| Coordinates: | -30.3892°N -57.6128°W |
| Postal Code Type: | Postal code |
| Postal Code: | 55100 |
| Area Code Type: | Dial plan |
| Area Code: | +598 4778 (+4 digits) |
Cainsa is a small town in the Artigas Department of northern Uruguay.
The town is located along the Route 3 to the southeast of Mones Quintela and south of Bella Unión.
According to the 2011 census, its population was 355.[1]