Cogui
Col
Colombian Sign Language
Colonia Tovar German
Colorado
Columbia-Wenatchi
Comaltepec Chinantec
Comanche
Comecrudo
Como Karim
Comox
Con
Congo Swahili
Côông
Coos
Copainalá Zoque
Copala Triqui
Coptic
Coquille
Cori
Cornish
Corongo Ancash Quechua
Corsican
Costa Rican Sign Language
Cotabato Manobo
Cotoname
Cowlitz
Coxima
Coyaima
Coyotepec Popoloca
Coyutla Totonac
Cree
Creek
Crimean Tatar
Croatian
Croatia Sign Language
Cross River Mbembe
Crow
Cruzeño
Cua
Cuba Sign Language
Cubeo
Cuiba
Cuitlatec
Culina
Cumanagoto
Cumbric
Cumeral
Cun
Cuneiform Luwian
ISO 639-3 Reference Names