| U-Jin | Man | Korean Names |
| Uaine | Unisex | Irish Names |
| Uba | Man | African Names |
| Ubaldo | Man | Italian Names |
| Ubaydullah | Man | Arabic Names |
| Uchenna | Man | African - Ibo Names |
| Uchu | Unisex | Incan Names |
| Uday | Man | Arabic Names |
| Udell | Man | English Names |
| Udom | Man | Thai Names |
| Ufuk | Unisex | Turkish Names |
| Ugo | Man | Italian Names |
| Ugra | Man | Indian Names |
| Ugur | Unisex | Turkish Names |
| Uheri | Woman | Swahili Names |
| Uhuro | Man | Swahili Names |
| Uhuti | Woman | Swahili Names |
| Uilani | Woman | Hawaiian Names |
| Ujana | Woman | Swahili Names |
| Uki | Woman | Japanese Names |