| Yuuki | Man | Japanese Names |
| Yuuma | Man | Japanese Names |
| Yuuna | Woman | Japanese Names |
| Yuuta | Man | Japanese Names |
| Yuuto | Man | Japanese Names |
| Yuya | Man | Japanese Names |
| Yuzuki | Woman | Japanese Names |
| Yuzuru | Man | Japanese Names |
| Zakuro | Woman | Japanese Names |
| Zen | Unisex | Japanese Names |
| Zenjiro | Man | Japanese Names |
| Zenshiro | Man | Japanese Names |
| Zentaro | Man | Japanese Names |