| Frontera | |
| 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: | Ciudad Frontera |
| Area Total Km2: | 506.8 |
| Population As Of: | 2005 |
| Population Total: | 70,160 |
| Coordinates: | 26.9267°N -101.4525°W |
Frontera is one of the 38 municipalities of Coahuila, in north-eastern Mexico. The municipal seat lies at Ciudad Frontera. The municipality covers an area of 506.8 km2.
As of 2005, the municipality had a total population of 70,160.[1]