| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| THYRA | - | Swedish, Norwegian, Danish | ||
| THYRZA | - | Dutch | ||
| TIÊN | - | Vietnamese | ||
| TIA | TEE-ə | English | ||
| TIAGO | - | Portuguese | ||
| TIAMAT | TEE-ə-maht (English), TYAH-maht (English) | Near Eastern Mythology | ||
| TIANA | tee-AN-ə | English | ||
| TIANNA | tee-AN-ə | English (Modern) | ||
| TIARA | tee-AHR-ə | English (Modern) | ||
| TIARNÁN | - | Irish | ||
| TIARNACH | - | Irish | ||
| TIBBY | TIB-ee | English | ||
| TIBERIU | - | Romanian | ||
| TIBERIUS | ti-BE-ri-uws | Ancient Roman | ||
| TIBOR | - | Hungarian, Czech, Slovak |