| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tahlia | - | English (Australian) | ||
| Taisiya | tah-EE-see-yah | Russian | ||
| Talia (2) | - | English (Australian) | ||
| Tamara | tah-MAH-rah (Russian, Spanish, Italian), tə-MAHR-ə (English), TAM-ə-rə (English) | Russian, Ukrainian, Czech, Slovak, Polish, Slovene, Croatian, Serbian, Macedonian, English, Dutch, S | ||
| Tanya | TAHN-yə (English), TAN-yə (English) | Russian, English | ||
| Taras | tah-RAHS (Russian) | Ukrainian, Russian | ||
| Tasha | TASH-ə (English) | Russian, English | ||
| Tatiana | tah-TYAH-nah (Russian, Polish, Spanish, Italian), TAH-tee-ah-nah (Finnish), ta-tee-AN-ə (English), ta-TYAN-ə (English) | Russian, Slovak, Bulgarian, Romanian, Polish, Greek, Georgian, Spanish, Portuguese, Italian, Finnish | ||
| Tatyana | tah-TYAH-nah | Russian | ||
| Terenti | - | Georgian, Russian | ||
| Terentiy | - | Russian | ||
| Thelonius | - | Various | ||
| Tierra | - | Various | ||
| Tikhon | TEE-khahn | Russian (Rare) | ||
| Timofei | tee-mah-FYAY | Russian |