| Tevis | Variant of Thomas twin. |
| Tewdwr | A Welsh name meaning the peoples king. |
| TEWODROS | Ethiopian version of Greek Theodore, meaning "gift of god." |
| Tey | God Krishna; God Muruga |
| Teyen | From the enclosure |
| Teymour | Persian name meaning 'iron' or 'strong as steel', symbolizing strength and resilience. |
| Teyo | God. Abbreviation of names like Mateo and Teodor. |
| Teyrnon | A name meaning divine king. |
| Tez | Short form meaning bright light. |
| TEZCACOATL | reflecting serpent; king |
| Tezveer | A brave and radiant warrior. |
| Th | An abbreviation for the letter. |
| Tha | A name meaning a joyful person. |
| Thaabit | Firm; Variant of Thabit: Firm. |
| Thaamir | Desert or wilderness, a name often associated with the harsh conditions of the Arabian desert. |
| Thaaqib | Variant of Thaqib: Piercing. Glistening. Shooting star. |
| Thaba | A name meaning a mountain or a hill. |
| Thabiram | A name meaning a place of residence. |
| Thabit | An Arabic name meaning firm or stable. |
| Thabo | A name meaning joy or happiness in Sotho. |
| Thacher | An occupational name for a roof maker. |
| Thacker | An occupational name for a roof layer. |
| Thackere | One who works as a thatch maker. |
| Thad | A name meaning heart or courageous. |
| Thaddeus | A name meaning heart or courageous. |
| Thaddius | Thaddius is a variant of Thaddeus, meaning 'heart' or 'courageous' in Aramaic, derived from the word 'tadday' meaning 'heart'. |
| Thadea | A name meaning heart or courageous. |
| Thadeus | A form of thaddeus |
| Thahash | That makes haste, that keeps silence. |
| THAI | many; multiple |
| Thain | A name meaning a warrior or soldier. |
| Thaine | A name meaning a loyal follower. |
| Thairiyan | Brave; Confident |
| Thakappanswami | A name meaning Lord Murugan. |
| Thakarshi | A name meaning Lord Krishna. |
| Thakshak | A powerful mythical serpent. |
| Thaksheel | Brave; Strong Character |
| Thaksin | One who is a great leader. |
| Thakur | A lord or noble landowner. |
| Thakurchet | Remembering the Lord Master |