| San Dionisio Ocotepec | |
| 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: | 225.82 |
| Population As Of: | 2005 |
| Population Total: | 9487 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 16.8°N -120°W |
San Dionisio Ocotepec is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of 225.82 km2. It is part of the Tlacolula District in the east of the Valles Centrales Region.
As of 2005, the municipality had a total population of 9,487.[1]