| Petapa Zapotec | |
| Also Known As: | (Santa María Petapa) |
| State: | Mexico |
| Region: | Oaxaca |
| Speakers: | 8,000 |
| Date: | 1990 census |
| Ref: | e18 |
| Familycolor: | American |
| Fam1: | Oto-Manguean |
| Fam2: | Zapotecan |
| Fam3: | Zapotec |
| Fam4: | Central |
| Fam5: | Trans-Yautepec |
| Iso3: | zpe |
| Glotto: | peta1247 |
| Glottorefname: | Petapa Zapotec |
Petapa Zapotec (Zapoteco de Santa María Petapa) is a Zapotecan language of the isthmus of Mexico.