| Villa Unión | |
| Settlement Type: | Municipality |
| Mapsize: | 300px |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Coahuila |
| Subdivision Type2: | Municipal seat |
| Subdivision Name2: | Villa Unión |
| Area Total Km2: | 1540.3 |
| Population As Of: | 2005 |
| Population Total: | 6,138 |
| Coordinates: | 28.2203°N -100.7244°W |
Villa Unión is one of the 38 municipalities of Coahuila, in north-eastern Mexico. The municipal seat lies at Villa Unión. The municipality covers an area of 1540.3 km².
As of 2005, the municipality had a total population of 6,138.[1]
On November 29, 2019, four police officers and seven armed civilians, members of the Cartel del Noreste, were killed in a shootout during an attack on the Villa Unión Municipal palace. Six other police officers were injured.