| Uki | Woman | Japanese Names |
| Ume | Woman | Japanese Names |
| Umeko | Woman | Japanese Names |
| Urara | Woman | Japanese Names |
| Uta | Woman | Japanese Names |
| Utako | Woman | Japanese Names |
| Wakako | Woman | Japanese Names |
| Wakana | Woman | Japanese Names |
| Washi | Man | Japanese Names |
| Wataru | Man | Japanese Names |
| Wenhui | Woman | Japanese Names |
| Yachi | Woman | Japanese Names |
| Yama | Man | Japanese Names |
| Yasu | Unisex | Japanese Names |
| Yasuko | Woman | Japanese Names |
| Yasunari | Man | Japanese Names |
| Yasuo | Man | Japanese Names |
| Yasushi | Man | Japanese Names |
| Yayoi | Woman | Japanese Names |
| Yo | Woman | Japanese Names |