| Name | Meaning | Gender | Origin |
|---|
| Tenney | Little follower of Dionysus | Boy | Medieval |
| Tennyson | Son of Tenney | Boy | |
| Terah | Delay and Station | Unisex | |
| Terance | Rub, Turn, Twist | Boy | |
| Terence | Instigator, Rub, Turn, Twist | Boy | Gaelic |
| Terrance | Instigator, Rub, Turn, Twist | Boy | Gaelic |
| Terrell | Stubborn | Boy | |
| Terrence | Instigator, Rub, Turn, Twist | Boy | Gaelic |
| Terry | First of the people, King of nations | Boy | French |
| Tex | Person from Texas | Boy | |
| Thad | Courageous, Large hearted, Given of God | Boy | |
| Thaddeus | Courageous, Large hearted, Given of God | Boy | Latin |
| Thadeus | Courageous, Large hearted, Given of God | Boy | |
| Thady | Given of God | Boy | |
| Thane | Boy, Follower, Warrior, Noble Title | Boy | |
| Theo | Gift of God | Boy | |
| Theobald | People bold | Boy | Latin |
| Theodore | Gift of God | Boy | French |
| Thom | Twin | Boy | |
| Thomas | Twin | Boy | Greek |
| Thorley | Thorn bush settlement | Boy | |
| Thornton | Thorn bush settlement | Boy | |
| Thurston | Thor's stone | Boy | Norse |
| Thutmose | Born of Djehuty (Thoth), Born of the Ibis | Boy | Egyptian |
| Thutmosis | Born of Djehuty (Thoth), Born of the Ibis | Boy | Egyptian |
| Tiarnach | Lord | Boy | Gaelic |
| Tiarnan | Little Lord | Boy | Gaelic |
| Tibby | People bold | Unisex | |
| Tiberius | Of the Tiber (river) | Boy | Roman |
| Tiernan | Little Lord | Boy | Gaelic |
| Tierney | Lord | Boy | Gaelic |
| Tikva | Hope | Unisex | |
| Tikvah | Hope | Unisex | Hebrew |
| Tim | To Honor God | Boy | |
| Timmy | To Honor God | Boy | |
| Timo | To Honor God | Boy | |
| Timothy | To Honor God | Boy | Greek |
| Tiras | Desire | Boy | Hebrew |
| Toal | Ruler of the people | Boy | Gaelic |
| Tobiah | God is good | Boy | Hebrew |
| Tobias | God is good | Boy | |
| Tobin | God is good | Boy | Greek |
| Toby | God is good | Boy | |
| Tod | Fox | Boy | |
| Todd | Fox | Boy | |
| Tolbert | Messenger of destruction | Boy | German |
| Tolly | Son of Talmai | Boy | |
| Tom | Twin | Boy | |
| Tommi | Twin | Boy | |
| Tommie | Twin | Boy | |
| Tommy | Twin | Boy | |
| Tone | Invaluable | Boy | |
| Toney | Invaluable | Boy | |
| Tony | Invaluable | Boy | |
| Topher | Christ bearer | Boy | |
| Trace | Place of Thracius | Unisex | |
| Tracee | Place of Thracius | Unisex | |
| Tracey | Place of Thracius | Unisex | |
| Traci | Place of Thracius | Unisex | |
| Tracie | Place of Thracius | Unisex | |
| Tracy | Place of Thracius | Unisex | |
| Trafford | Fish Trap Ford | Unisex | |