| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tobias | to-BEE-ahs (German), tə-BIE-əs (English) | Biblical, German, Swedish, Norwegian, Danish, English, Biblical Latin, Biblical Greek | ||
| Tobin | TO-bin | English | ||
| Toby | TO-bee | English | ||
| Tod | TAHD | English | ||
| Todd | TAHD | English | ||
| Tolly | - | English (Archaic) | ||
| Tom (1) | TAHM (English), TAWM (Dutch) | English, Dutch | ||
| Tommie | TAHM-ee | English | ||
| Tommy | TAHM-ee | English | ||
| Toni (2) | TON-ee | English | ||
| Tonia | TAHN-yə | English | ||
| Tony | TON-ee | English | ||
| Tonya | TAHN-yə | English | ||
| Topaz | TO-paz | English (Rare) | ||
| Topher | TO-fər | English |