| Tryphaina | | - | Biblical Greek, Ancient Greek | |
| Tryphon | | - | Ancient Greek | |
| Tryphosa | | - | Biblical, Biblical Greek, Ancient Greek | |
| Tycho | | TIE-ko (English) | Ancient Greek (Latinized) | |
| Tychon | | - | Ancient Greek | |
| Xanthe | | - | Greek Mythology, Ancient Greek | |
| Xanthippe | | ksahn-teep-pe (Ancient Greek), zan-TIP-ee (English) | Ancient Greek | |
| Xanthippos | | - | Ancient Greek | |
| Xanthos | | - | Greek Mythology, Ancient Greek | |
| Xenia | | - | Greek, Ancient Greek | |
| Xeno | | - | Ancient Greek | |
| Xenocrates | | zi-NAH-krə-teez (English) | Ancient Greek (Latinized) | |
| Xenokrates | | - | Ancient Greek | |
| Xenon | | - | Ancient Greek | |
| Xenophon | | - | Ancient Greek | |