| Chatino, West Highland: Yaitepec | |
| Chinantec, Quiotepec: Yolox | |
| Chinantec: San Mateo Yetla | |
| Maya, Yucatec | |
| Mixtec, Mixtepec: Yucunicoco | |
| Mixtec, Tezoatlan: Yucunuti | |
| Mixtec, Yoloxochitl | |
| Mixtec, Yosondua | |
| Mixtec, Yosondua: Yolotepec | |
| Mixtec, Yucuane | |
| Mixtec, Yucuane: Tetaltepec y el Alto | |
| Mixtec, Yucuna | |
| Mixtec, Yutanduchi | |
| Mixtec: Yosoyua | |
| Yaqui | |
| Zapotec, Rincon: Yagallo | |
| Zapotec, Yalalag | |
| Zapotec, Yalalag: Betaza | |
| Zapotec: San Francisco Yovego | |
