| San Sebastián Tecomaxtlahuaca | |
| Settlement Type: | Municipality and town |
| Native Name: | (Plains of the Tecomates) |
| Nickname: | Teco |
| Motto: | We are from Oaxaca and proud of it. |
| 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: | Oaxaca |
| Subdivision Type2: | District |
| Subdivision Name2: | Juxtlahuaca District |
| Area Total Km2: | 369.99 |
| Population As Of: | 2005 |
| Population Total: | 6916 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 17.35°N -100°W |
San Sebastián Tecomaxtlahuaca is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of 369.99 km² and is part of the Juxtlahuaca District of the Mixteca Region.
As of 2005, the municipality had a total population of 6,916.[1]