| FOMA m Russian |
| MAAS m Dutch |
| TAM m Scottish |
| TAMÁS m Hungarian |
| TAMATI m Maori |
| TAMAZ m Georgian |
| TÀMHAS m Scottish |
| TAMSEN f English (Rare) |
| TAMSIN f English (British) |
| TAMSYN f English (British) |
| TAMZEN f English (Rare) |
| TAVISH m Scottish |
| TE'OMA m Ancient Aramaic |
| THOM m English |
| THOMA m Old Church Slavic |
| THOMAS m English, French, German, Dutch, Scandinavian, Greek, Biblical, Biblical Latin, Biblical Greek |
| THOMASINA f English |
| TOM (1) m English, Dutch |
| TOMA (2) m Croatian, Serbian, Bulgarian, Macedonian, Romanian, Georgian |
| TÒMAS m Scottish |
| TOMÁS m Spanish, Portuguese, Irish |
| TOMÁŠ m Czech, Slovak |
| TOMAS m Swedish, Norwegian, Lithuanian |
| TOMASA f Spanish |
| TOMASZ m Polish |
| TOMAŽ m Slovene |
| TOMÉ m Portuguese |
| TOMEK m Polish |
| TOMI m Finnish, Hungarian, Welsh |
| TOMICA m Croatian |
| TOMMASO m Italian |
| TOMMI m Finnish |
| TOMMIE m & f English |
| TOMMY m English |
| TOMOS m Welsh |
| TOMS m Latvian |
| TOOMAS m Estonian |
| TUOMAS m Finnish |
| TUOMO m Finnish |
| TWM m Welsh |
