| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tuija | TOO-ee-yah | Finnish | ||
| Tuomas | TOO-o-mahs | Finnish | ||
| Tuomo | TOO-o-mo | Finnish | ||
| Tuukka | - | Finnish | ||
| Tuula | TOO:-lah | Finnish | ||
| Tuuli | TOO:-lee | Finnish | ||
| Tuulikki | TOO:-leek-kee (Finnish) | Finnish, Finnish Mythology | ||
| Tuure | - | Finnish | ||
| Tyyne | TUY:-ne | Finnish | ||
| Ukko | OOK-ko (Finnish) | Finnish, Finnish Mythology | ||
| Ulla | OOL-lah (Finnish) | Swedish, Danish, Norwegian, Finnish, German | ||
| Ulriikka | OOL-ree:k-kah | Finnish (Rare) | ||
| Uolevi | OO-o-le-vee | Finnish | ||
| Urho | OOR-ho | Finnish | ||
| Ursula | UR-sə-lə (English), UR-syə-lə (English), OOR-soo-lah (Finnish) | English, Swedish, Norwegian, Danish, German, Dutch, Finnish, Late Roman |