| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Uberto | oo-BER-to | Italian | ||
| Ubon | - | Thai | ||
| Udane | - | Basque | ||
| Udo (1) | OO-do | German | ||
| Udo (2) | - | Western African, Igbo | ||
| Uduak | - | Western African, Ibibio | ||
| Ueli | - | German (Swiss) | ||
| Uffe | - | Danish | ||
| Ufuoma | - | Western African, Urhobo | ||
| UgnĖ | - | Lithuanian | ||
| Ugo | - | Italian | ||
| Uilani | - | Hawaiian | ||
| Ujarak | - | Native American, Inuit | ||
| U-Jin | oo-jeen | Korean | ||
| Ukaleq | - | Native American, Greenlandic |