Ulwa
Uma
Uma' Lasan
Uma' Lung
Umanakaina
Umatilla
Umbindhamu
Umbrian
Umbugarla
Umbundu
Umbu-Ungu
Umbuygamu
Umeda
Umiida
Umon
Umotína
Umpila
Umpqua, Upper
Una
Unami
Uncoded languages
Undetermined
Uneapa
Uneme
Unggaranggu
Unggumi
Unserdeutsch
Unua
Unubahe
Uradhi
Urak Lawoi'
Urali
Ura (Papua New Guinea)
Urapmin
Urarina
Urartian
Urat
Ura (Vanuatu)
Urdu
Urhobo
Uri
Urigina
Urim
Urimo
Uripiv-Wala-Rano-Atchin
Urningangg
Uru
Uruangnirin
Uruava
Urubú-Kaapor
ISO 639-3 Inverted Names