| San Mateo Yucutindoo | |
| Settlement Type: | Municipality and town |
| Other Name: | Zapotitlán del Río |
| 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 |
| Area Total Km2: | 197.8 |
| Population As Of: | 2020 |
| Population Total: | 3144 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Timezone Dst: | Central Daylight Time |
| Utc Offset Dst: | -5 |
| Coordinates: | 16.8833°N -111°W |
San Mateo Yucutindoo is a municipality in Oaxaca in south-western Mexico. Its seat is the town of Zapotitlán del Río. The municipality covers an area of 197.8 km².[1] It is part of the Sola de Vega District in the Sierra Sur Region.
The municipality was originally incorporated as Zapotitlán del Río, and changed its name to San Mateo Yucutindoo by decree of Oaxaca's State Congress in 2012. [2]
As of 2020, the municipality had a total population of 3,144.[3]