| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Terttu | TERT-too | Finnish | ||
| Teuvo | TE-oo-vo | Finnish | ||
| Tiia | TEE:-ah | Finnish | ||
| Tiina | TEE:-nah | Finnish | ||
| Tiitus | TEE:-toos (Finnish) | Finnish, Estonian | ||
| Tilda | TEEL-dah (Finnish) | English, Swedish, Finnish | ||
| Timo (1) | TEE-mo | Finnish, German, Dutch | ||
| Toini | TOY-nee | Finnish | ||
| Toivo | TOY-vo | Finnish | ||
| Tomi | TO-mee (Finnish) | Finnish, Hungarian, Welsh | ||
| Tommi | TOM-mee | Finnish | ||
| Toni (1) | TO-nee (Finnish) | Finnish, Croatian | ||
| Topi | TO-pee | Finnish | ||
| Topias | TO-pee-ahs | Finnish | ||
| Torsti | TOR-stee | Finnish |