| Xyrill | - | Philippines Name | Xyris | - | Philippines Name |
| Xyron | - | Cyprien Name | Xysten | - | Philippines Name |
| Xystus | - | Philippines Name | Xyven | - | Cyprien Name |
| Xzander | - | Philippines Name | Xzavien | - | United States Name |
| Xzavier | - | United States Name | Xzavion | - | Philippines Name |
| Xzavior | - | Philippines Name | Xzayden | - | United States Name |
| Xzian | - | Philippines Name | Yacoub | - | Algerian Name |
| Yadav | - | Indian Name | Yadav | - | Hindu Name |
| Yadavendra | - | Indian Name | Yadavendra | - | Hindu Name |
| Yadgar | - | Assyrian Name | Yadhava chandra | - | Hindu Name |
| Yadhavendra | - | Hindu Name | Yadheswar | - | Hindu Name |
| Yadhgiri | - | Hindu Name | Yadhu mithra | - | Hindu Name |
| Yadhu simha | - | Hindu Name | Yadhunath | - | Hindu Name |
| Yadiel | - | Assyrian Name | Yadu | - | Hindu Name |
| Yadunandan | - | Indian Name | Yadunandan | - | Hindu Name |
| Yadunath | - | Indian Name | Yaduraj | - | Indian Name |
| Yaduraj | - | Hindu Name | Yaduvir | - | Indian Name |
| Yaduvir | - | Hindu Name | Yaekanth | - | Hindu Name |
| Yael | - | Hebrew Name | Yafeu | - | Egyptian Name |
| Yafi | - | Muslim Name | Yagapreeth | - | Hindu Name |
| Yaghnam | - | Muslim Name | Yagluk | - | Eskimo Name |
| Yagna | - | Indian Name | Yagna | - | Hindu Name |
| Yagnabhushan | - | Hindu Name | Yagnesh | - | Hindu Name |
| Yagnya prabhu | - | Hindu Name |
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