| Magdalena Peñasco | |
| Settlement Type: | Municipality and town |
| Pushpin Map: | Mexico Oaxaca#Mexico |
| Pushpin Label Position: | above |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Oaxaca |
| Area Total Km2: | 75.27 |
| Population As Of: | 2005 |
| Population Total: | 3461 |
| Timezone: | Central Standard Time |
| Utc Offset: | -6 |
| Coordinates: | 17.2333°N -130°W |
Magdalena Peñasco is a town and municipality in the state of Oaxaca in south-western Mexico. The municipality covers an area of 75.27 km². It is part of the Tlaxiaco District in the south of the Mixteca Region.
As of 2005, the municipality had a total population of 3,461.[1]