| Uceph | A modern and creative name with no widely recognized meaning. | 3 |
| Udaybir | Noble and brave (Sikh) | 3 |
| Udayraj | King of the day (Sikh) | 7 |
| Udayveer | Hero of the day (Sikh) | 6 |
| Udayvir | Brave of the day (Sikh) | 9 |
| Udhay | A modern and creative name with no widely recognized meaning. | 4 |
| Uel | God is light (Hebrew) | 2 |
| Ugyen | A modern and creative name with no widely recognized meaning. | 8 |
| Ulrik | Ruler of all (Norse) | 8 |
| Umar | Flourishing, long7lived (Arabic) | 5 |
| Umayr | Young, thriving (Arabic) | 9 |
| Umer | Life (Arabic) | 7 |
| Uno | A modern and creative name with no widely recognized meaning. | 1 |
| Urajiah | A modern and creative name with no widely recognized meaning. | 6 |
| Uriah | God is my light (Hebrew) | 5 |
| Uriel | God is my light (Hebrew) | 1 |
| Urijah | Variant of Uriah | 8 |
| Usman | Baby snake (Arabic) | 3 |
| Uthman | Baby snake (Arabic) | 6 |
| Uwadia | A modern and creative name with no widely recognized meaning. | 8 |
| Uzair | Helper (Arabic) | 2 |
| Uzochukwu | God's gift (Igbo) | 5 |
| Uzonna | Father's love (Igbo) | 4 |
| Uzuvira | A modern and creative name with no widely recognized meaning. | 5 |
| Uzziah | God is my strength (Hebrew) | 1 |