| Name | Other Name | Family | Nativ Name | ISO6391 Code | ISO6392T Code | ISO6392B Code | ISO6393 Code | Notes |
|---|---|---|---|---|---|---|---|---|
| Walloon | Indo-European | Walon | wa | wln | wln | wln | ||
| Volapük | Constructed | Volapük | vo | vol | vol | vol | constructed | |
| Vietnamese | Austroasiatic | Tiếng Việt | vi | vie | vie | vie | ||
| Venda | Niger–Congo | Tshivenḓa | ve | ven | ven | ven | ||
| Uzbek | Turkic | Oʻzbek; Ўзбек; أۇزبېك | uz | uzb | uzb | uzb + 2 | macrolanguage | |
| Urdu | Indo-European | اردو | ur | urd | urd | urd | ||
| Ukrainian | Indo-European | Українська | uk | ukr | ukr | ukr | ||
| Tahitian | Austronesian | Reo Tahiti | ty | tah | tah | tah | One of the Reo Mā`ohi (languages of French Polynesia) | |
| Twi | Niger–Congo | Twi | tw | twi | twi | twi | Covered by macrolanguage [ak/aka] | |
| Tatar | Turkic | татар теле; tatar tele | tt | tat | tat | tat |