| Xiola | Woman | Greek Names |
| Xylander | Man | Greek Names |
| Xylia | Woman | Greek Names |
| Xylon | Man | Greek Names |
| Xylona | Woman | Greek Names |
| Yanni | Man | Greek Names |
| Yannis | Man | Greek Names |
| Zacchaeus | Man | Greek Names |
| Zacharias | Man | Greek Names |
| Zander | Man | Greek Names |
| Zandra | Woman | Greek Names |
| Zanthe | Woman | Greek Names |
| Zelia | Woman | Greek Names |
| Zena | Woman | Greek Names |
| Zenaida | Woman | Greek Names |
| Zenas | Unisex | Greek Names |
| Zenia | Woman | Greek Names |
| Zeno | Man | Greek Names |
| Zenobia | Woman | Greek Names |
| Zenon | Unisex | Greek Names |