| Quiavicuzas Zapotec | |
| Also Known As: | (Santiago Quiavicuzas) |
| State: | Mexico |
| Region: | Oaxaca |
| Speakers: | 4,000 |
| Date: | 1990 census |
| Ref: | e25 |
| Familycolor: | American |
| Fam1: | Oto-Manguean |
| Fam2: | Zapotecan |
| Fam3: | Zapotec |
| Fam4: | Central |
| Fam5: | Trans-Yautepec |
| Iso3: | zpj |
| Glotto: | quia1235 |
| Glottorefname: | Quiavicuzas Zapotec |
Quiavicuzas Zapotec (Northeastern Yautepec Zapotec, Zapoteco de San Juan Lachixila) is a Zapotecan language of the isthmus of Mexico.