| Alta Tarahumara | |
| Apapantilla Totonac | |
| Baja Tarahumara | |
| Central Tlacolula | |
| Chamula Tzotzil | |
| Chenalho Tzotzil | |
| Chinantec, Comaltepec: Tectitlan | |
| Chinantec, Tepetotutla | |
| Chinantec, Tepetotutla: Tlatepusco | |
| Chinantec, Tepinapa | |
| Chinantec, Tlacoatzintepec | |
| Chol: Tila | |
| Chol: Tumbala | |
| Chol: Tumbala Sabanilla | |
| Chontal, Tabasco: San Carlos | |
| Chontal, Tabasco: Tamulte | |
| Chontal, Tabasco: Tapotzingo | |
| Cora, Santa Teresa | |
| Coyutla Totonac | |
| Cuicatec, Tepeuxila | |
| Cuicatec, Teutila | |
| Eastern Tlacolula Zapotec | |
| Eastern Tlapanec | |
| Filomena Mata-Coahuitlán Totonac | |
| Hidalgo Tepehua | |
| Highland Totonac | |
| Lowland Totonaca | |
| Mam: Todos Santos Cuchumatán | |
| Mazatec, San Jeronimo Tecoatl | |
| Mazatec, San Jeronimo Tecoatl: San Lucas Zoquiapam | |
| Me'faa, Tlacoapa | |
| Mixtec, Acatlan: Tonahuixtla | |
| Mixtec, Magdalena Penasco: Tlacotepec | |
| Mixtec, Northern Tlaxiaco | |
| Mixtec, Northern Tlaxiaco: Monte Verde | |
| Mixtec, Northern Tlaxiaco: San Sebastian Nicananduta | |
| Mixtec, Southwestern Tlaxiaco: Nuyoo | |
| Mixtec, Tacahua | |
| Mixtec, Tamazola | |
| Mixtec, Tezoatlan | |
| Mixtec, Tezoatlan: San Martin del Rio | |
| Mixtec, Tezoatlan: Yucunuti | |
| Mixtec, Tijaltepec | |
| Mixtec, Tlazoyaltepec | |
| Mixtec, Tututepec | |
| Mixtec, Yucuane: Tetaltepec y el Alto | |
| Nahuatl, Guerrero: Tlapa | |
| Nahuatl, Tlamacazapa | |
| Nahuatl, Zacatlán-Ahuacatlán-Tepetzintla | |
| Ozumatlan Totonac | |
| San Andres Larrainzar Tzotzil | |
| San Bartolome Venustiano Carranza Tzotzil | |
| Southeastern Tepehuan | |
| Southwestern Tarahumara | |
| Tabehua | |
| Tarahumara de Guahuachique | |
| Tarahumara: Samachique | |
| Tectitec | |
| Tepehua, Tlachichilco | |
| Tepehuan del Norte | |
| Tepehuan del Norte: Nabogame | |
| Tepehuán del Suroeste: Santiago Teneraca | |
| Tilquiapan Zapotec | |
| Tlahuica | |
| Tohono O'odham | |
| Tojolabal | |
| Totolapa | |
| Totonac, Upper Necaxa | |
| Tsotsil | |
| Tzeltal, Bachajon: Amatenango | |
| Tzeltal, Bachajon: Del Plano | |
| Tzeltal, Bachajon: Sibal | |
| Tzeltal: Bachajon | |
| Tzeltal: Oxchuc | |
| Tzeltal: Tenango | |
| Tzeltal: Tenejapa | |
| Zapotec, Guelavia: Teotitlan del Valle | |