| Name | Meaning | Gender | Origin |
|---|
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Tom | Bartender at the Leaky Cauldron.
| Male | English |
| Toto | | Unisex | |
| Trent | the flooder | Male | English |
| Tristan | A knight
| Male | Celtic |
| Truman | A faithful follower, loyal servant. | Male | English |
| Tybalt | | Unisex | |
| Usher | | Male | Hebrew |
| Uther | Myth Name | Unisex | Irish |
| Valentine | A person singled out as one's sweetheart | Male | Latin |
| Valentino | strength, health | Male | Latin |
| Victor | Victor
| Male | Latin |
| Wade | a ford | Male | English |
| Walden | Mighty | Male | German |
| Waldo | Powerful. Abbreviation of Oswald.
| Male | |
| Walter | Powerful ruler
| Male | |
| Watson | Son of Walter
| Male | English |
| Wenda | | Unisex | |
| Wilbur | resolute, brilliant | Male | |
| Wilfred | much peace | Male | English |
| William | resolute protection | Male | English |
| Winston | From a friend's estate. joy stone, victory town | Male | English |
| Wolf | A grey carnivorous mammal, related to the Dog | Male | |
| Wylie | Wily: full of wiles, cunning. enchanting | Male | English |