| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| UMUT | - | Turkish | ||
| Una | ['ju:nə] | |||
| UNAI | - | Basque | ||
| UNATHI | - | Southern African, Xhosa | ||
| Underwood | ['ʌndəwud] | |||
| UNDINE | - | Literature | ||
| UNICE | - | English (Rare) | ||
| UNIQUE | yuw-NEEK | English (Modern) | ||
| UNITY | YUW-ni-tee | English (Rare) | ||
| UNN | - | Norwegian | ||
| UNNR | - | Ancient Scandinavian | ||
| UNNUR | - | Icelandic | ||
| UOLEVI | OO-o-le-vee | Finnish | ||
| UPASANA | - | Indian, Hindi | ||
| UPTON | UP-tən | English (Rare) |