Ipulo
Iquito
Ir
Iranian Persian
Irántxe
Iranun
Iranun (Malaysia)
Iranun (Philippines)
Iraqw
Irarutu
Iraya
Iresim
Irigwe
Irish
Irish Sign Language
Irula
Isabi
Isanzu
Isarog Agta
Isconahua
Isebe
Isekiri
Ishkashimi
Isinai
Isirawa
Island Carib
Islander Creole English
Isnag
Isoko
Israeli Sign Language
Isthmus-Cosoleacaque Nahuatl
Isthmus-Mecayapan Nahuatl
Isthmus Mixe
Isthmus-Pajapan Nahuatl
Isthmus Zapotec
Istriot
Istro Romanian
Isu (Fako Division)
Isu (Menchum Division)
Italian
Italian Sign Language
Itawit
Itelmen
Itene
Iteri
Itik
Ito
Itonama
Itu Mbon Uzo
Itundujia Mixtec
ISO 639-3 Reference Names