| Treasure | | TRE-zhər | English (Modern) | |
| Tristen | | TRIS-tən | English (Modern) | |
| Tristin | | TRIS-tin | English (Modern) | |
| Triston | | TRIS-tən | English (Modern) | |
| Tucker | | TUK-ər | English (Modern) | |
| Tylor | | TIE-lər | English (Modern) | |
| Tyrell | | tie-REL | English (Modern) | |
| Unique | | yuw-NEEK | English (Modern) | |
| Willow | | WIL-o | English (Modern) | |
| Winter | | WIN-tər | English (Modern) | |
| Xander | | KSAHN-dər (Dutch), ZAN-dər (English) | Dutch, English (Modern) | |
| Xzavier | | ZAY-vee-ər, ZAY-vyər, ig-ZAY-vee-ər | English (Modern) | |
| Yasmin | | YAZ-min (English) | Persian, Arabic, English (Modern) | |
| Yasmine | | YAZ-min (English) | Persian, Arabic, English (Modern) | |
| Yazmin | | YAZ-min | English (Modern) | |