| Copanatoyac | |
| 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: | Guerrero |
| Subdivision Type2: | Municipal seat |
| Subdivision Name2: | Copanatoyac |
| Area Total Km2: | 388.4 |
| Population As Of: | 2005 |
| Population Total: | 17337 |
| Coordinates: | 17.3667°N -139°W |
Copanatoyac is a municipality in the Mexican state of Guerrero. The municipal seat lies at Copanatoyac. The municipality covers an area of 388.4 km².
As of 2005, the municipality had a total population of 17,337.[1]