| Official Name: | Cosa, Spain |
| Pushpin Map: | Spain |
| Pushpin Relief: | 1 |
| Pushpin Label Position: | none |
| Coordinates: | 40.8333°N -9°W |
| Area Total Km2: | 54.8 |
| Elevation M: | 1185 |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Cosa is a municipality located in the province of Teruel, Aragon, Spain. According to the 2006 census (INE), the municipality has a population of 87 inhabitants.