| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Ubalda | Ubaldo/Ubalda | Old High German | Italian | Words: mind, spirit / bold, brave | |
| Uberta | Hubert/Huberta | Old High German | Italian | Words: mind, spirit / bright | |
| Uendi | Wendy | English | Albanian | | |
| Ugne | Ugne | Lithuanian | Lithuanian | fire | |
| Ula | Ulrich/Ulrike | Old High German | German, Scandinavian | Words: patrimony, inherited property / rich, powerful, power | |
| Uliana | Julian/Juliana | Latin | Russian | | |
| Ulla | Ulrich/Ulrike | Old High German | German, Scandinavian | Words: patrimony, inherited property / rich, powerful, power | |
| Ulli | Ulrich/Ulrike | Old High German | German | Words: patrimony, inherited property / rich, powerful, power | |
| Ulrica | Ulrich/Ulrike | Old High German | Italian | Words: patrimony, inherited property / rich, powerful, power | |
| Ulrika | Ulrich/Ulrike | Old High German | Scandinavian | Words: patrimony, inherited property / rich, powerful, power | |
| Ulrike | Ulrich/Ulrike | Old High German | German | Words: patrimony, inherited property / rich, powerful, power | |
| Ulrique | Ulrich/Ulrike | Old High German | French | Words: patrimony, inherited property / rich, powerful, power | |
| Umeko | Umeko | Japanese | Kanji symbol, Japanese | plum child, plum blossom child | |
| Una | Une | Old Norse | Scandinavian | Words: be satisfied, be happy | |
| Undine | Undine | Latin | German | Words: wave | |
| Une | Une | Old Norse | Scandinavian | Words: be satisfied, be happy | |
| Unique | Unique | English | English | unique | |
| Unknown | Baby/Baby | English | English | | |
| Unn | Unn | Old Norse | Scandinavian | love | |
| Unnur | Unnur | Old Norse | Icelandic | Words: wave | |
| Ursel | Ursula | Latin | German | little bear | |
| Ursina | Ursula | Latin | Italian | little bear | |
| Ursola | Ursula | Latin | Spanish | little bear | |
| Ursula | Ursula | Latin | German, Italian, English | little bear | |
| Ursule | Ursula | Latin | French | little bear | |
| Ursulina | Ursula | Latin | Italian | little bear | |
| Urszula | Ursula | Latin | Polish | little bear | |
| Urte | Dorotheus/Dorothea | Old Greek | Lithuanian | gift of God | |
| Uschi | Ursula | Latin | German | little bear | |
| Uta | Otto/Ute | Old High German | German | Words: wealth | |
| Ute | Otto/Ute | Old High German | German | Words: wealth | |
| Utta | Otto/Ute | Old High German | German | Words: wealth | |
| Uxue | Uxue | Basque | Basque | Words: dove | |
