| Telma | | - | Portuguese | |
| Telmo | | - | Portuguese, Spanish | |
| Teobaldo | | - | Spanish, Portuguese, Italian | |
| TeodÓSio | | - | Portuguese | |
| 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 | |
| Teresa | | te-RE-sah (Spanish, Polish), te-RE-zah (Italian, German), TE-re-sah (Finnish), tə-REE-sə (English), tə-REE-zə (English) | Spanish, Portuguese, Italian, Finnish, Polish, German, Swedish, Norwegian, Danish, English | |
| Teresinha | | - | Portuguese | |
| Tereza | | te-REZ-ah (Romanian) | Czech, Portuguese (Brazilian), Bulgarian, Romanian | |
| Terezinha | | - | Portuguese (Brazilian) | |
| ThaÍS | | - | Portuguese (Brazilian) | |
| Thalita | | - | Portuguese (Brazilian) | |
| Thiago | | - | Portuguese (Brazilian) | |
| Tiago | | - | Portuguese | |
| Tiburcio | | - | Spanish, Portuguese | |