| Tennyson | | TEN-ə-sən | English (Rare) | |
| Tenskwatawa | | - | Native American, Shawnee | |
| Tenzin | | - | Tibetan, Bhutanese | |
| Teo | | TE-o | Italian, Spanish, Croatian | |
| Teobaldo | | - | Spanish, Portuguese, Italian | |
| TeodÓSio | | - | Portuguese | |
| Teodor | | te-AW-dawr (Polish), TE-o-dor (Croatian) | Swedish, Norwegian, Danish, Romanian, Czech, Slovak, Polish, Serbian, Croatian, Slovene, Hungarian, | |
| Teodora | | te-o-DAW-rah (Italian), te-o-DHO-rah (Spanish), te-aw-DAW-rah (Polish) | Italian, Spanish, Portuguese, Swedish, Romanian, Polish, Bulgarian, Macedonian, Serbian | |
| Teodoro | | te-o-DO-ro (Italian), te-o-DHO-ro (Spanish) | Italian, Spanish, Portuguese | |
| Teodosija | | - | Serbian, Macedonian | |
| Teodosio | | te-o-DHO-syo (Spanish) | Italian, Spanish | |
| Teodozja | | te-aw-DAW-zyah | Polish | |
| Teofil | | te-AW-feel | Polish | |
| Teofila | | te-aw-FEE-lah (Polish) | Italian, Polish | |
| Teppo | | TEP-po | Finnish | |