| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Terra | TER-ə | English | ||
| Terrance | TER-ənts | English | ||
| Terrell | TER-əl, tə-REL | English | ||
| Terrence | TER-ənts | English | ||
| Terri | TER-ee | English | ||
| Terrie | TER-ee | English | ||
| Terry (1) | TER-ee | English | ||
| Terry (2) | TER-ee | English | ||
| Tertius | TUR-shəs (English) | Ancient Roman | ||
| Tess | TES | English, Dutch | ||
| Tessa | TES-ə | English | ||
| Tessie | TES-ee | English | ||
| Tetty | TET-ee | English (Archaic) | ||
| Teutorigos | - | Ancient Celtic | ||
| Tex | TEKS | English |