| Teddy | From Edward - Prosperous guardian | Unisex | |
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tigger | from Winnie the Pooh | Unisex | |
| Tinkerbell | | Unisex | |
| Toby | God is Good | Male | English |
| Tom | Bartender at the Leaky Cauldron.
| Male | English |
| Tommy | From Thomas - The twin. | Male | English |
| Tommy Tommy | | Unisex | |
| Trouble | A cause of disturbance or difficulty. | Male | |
| Truffles | Ball shaped chocolate | Unisex | |
| Tucker | Tucker of doth
| Male | English |
| Whiskers | | Unisex | |
| Willie | English from German, resolute protection | Male | English |
| Willy Nelson | | Unisex | |
| Winston | From a friend's estate. joy stone, victory town | Male | English |
| Yasser Aracat | | Unisex | |
| Yoda | | Unisex | |
| Zeus | Father of the Gods | Male | Greek |
| Ziggy | | Male | |
| Zombies | | Unisex | |