U
| Uba | Ulko | Undine | Ursia |
| Ucly | Ulla | Undo | Ursie |
| Uda | Ulla | Undra | Ursula |
| Udessa | Ulli | Undy | Ursus |
| Udet | Ullie | Uni | Ury |
| Udetta | Ully | Unic | Usa |
| Udi | Ulma | Unique | Usalda |
| Udia | Ulmo | Universe | Uschi |
| Udie | Ulo | Unix | Uschi |
| Udin | Ulrich | Unja | Uschie |
| Udo | Ulrika | Unka | Ushi |
| Udor | Ultimo | Unko | Usia |
| Ufa | Ultimus | Unna | Usina |
| Ufla | Ultra | Uno | Uskaya |
| Ufo | Ulunda | Unox | Uso |
| Ugene | Uly | Unsa | Usty |
| Ugenie | Ulyne | Untra | Utana |
| Ula | Ulza | Uny | Uto |
| Ulaika | Umax | Uomo | Utopia |
| Ulan | Umba | Ura | Utras |
| Ulanka | Umberto | Uran | Utz |
| Ulf | Umbra | Uraya | Uva |
| Ulfa | Umbro | Urban | Uxie |
| Ulfine | Ummy | Urion | Uzi |
| Ulga | Umsa | Ursa | Uzola |
| Uli | Una | Urscha | Uzou |
| Ulinde | Unda | Ursel | Uzzo |