| Thora | | - | Swedish, Norwegian, Danish, German | |
| ThorbjÖRn | | - | Swedish | |
| Thorborg | | - | Swedish | |
| Thore | | - | Swedish, Norwegian, Danish | |
| Thorsten | | TAWR-sten (German) | Swedish, Danish, German | |
| Thorvald | | - | Swedish, Norwegian, Danish | |
| Thyra | | - | Swedish, Norwegian, Danish | |
| Tilda | | TEEL-dah (Finnish) | English, Swedish, Finnish | |
| Tim | | TIM (English, German, Dutch, Slovene) | English, German, Dutch, Slovene, Swedish, Norwegian, Danish | |
| Tobias | | to-BEE-ahs (German), tə-BIE-əs (English) | Biblical, German, Swedish, Norwegian, Danish, English, Biblical Latin, Biblical Greek | |
| Tomas | | - | Swedish, Norwegian, Lithuanian | |
| Tor | | TOOR (Swedish, Norwegian), TOR (Danish) | Swedish, Norwegian, Danish | |
| Tora | | - | Swedish, Norwegian, Danish | |
| TorbjÖRn | | - | Swedish | |
| Torborg | | - | Swedish, Norwegian, Danish | |