| Coatecas Altas | |
| Settlement Type: | Municipality and town |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Oaxaca |
| Area Total Km2: | 125.03 |
| Population As Of: | 2005 |
| Population Total: | 4822 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 16.5333°N -136°W |
Coatecas Altas is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of 125.03 km2. It is part of the Ejutla District in the south of the Valles Centrales Region.
As of 2005, the municipality had a total population of 4,822.[1]