Uighur
Uisai
Ujir
Ukaan
Ukhwejo
Ukit
Ukpe-Bayobiri
Ukpet-Ehom
Ukrainian
Ukrainian Sign Language
Ukue
Ukuriguma
Ukwa
Ukwuani-Aboh-Ndoni
Ulau-Suain
Ulch
Ulithian
Ullatan
Ulukwumi
Ulumanda'
Ulwa
Uma
Uma' Lasan
Uma' Lung
Umanakaina
Umatilla
Umbindhamu
Umbrian
Umbugarla
Umbundu
Umbu-Ungu
Umbuygamu
Umeda
Ume Sami
Umiida
Umiray Dumaget Agta
Umon
Umotína
Umpila
Una
Unami
Uncoded languages
Unde Kaili
Undetermined
Uneapa
Uneme
Unggaranggu
Unggumi
Unserdeutsch
Unua
ISO 639-3 Reference Names