| Xander | | KSAHN-dər (Dutch), ZAN-dər (English) | Dutch, English (Modern) | |
| Xanthia | | - | English (Rare) | |
| Xavia | | - | English (Rare) | |
| Xavier | | ZAY-vee-ər (English), ZAY-vyər (English), ig-ZAY-vee-ər (English), za-VYE (French), sha-VYER (Portuguese) | English, French, Portuguese, Catalan, Spanish (Archaic) | |
| Xaviera | | - | English (Rare) | |
| Xavior | | - | English (Rare) | |
| Xzavier | | ZAY-vee-ər, ZAY-vyər, ig-ZAY-vee-ər | English (Modern) | |
| Yancy | | YANT-see | English | |
| Yasmin | | YAZ-min (English) | Persian, Arabic, English (Modern) | |
| Yasmine | | YAZ-min (English) | Persian, Arabic, English (Modern) | |
| Yazmin | | YAZ-min | English (Modern) | |
| Yolanda | | yo-LAHN-də (English) | Spanish, English | |
| Yolonda | | yo-LAHN-də | English | |
| Yorick | | YAWR-ik (English), YAW-rik (Dutch), YO-rik (Dutch) | Literature, English, Dutch | |
| York | | YORK | English | |