| Name | Meaning | Gender | Origin |
|---|
| Sophie | Wisdom. Variant of Sophia
| Female | |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | American |
| Spot | after Data's cat on Star Trek: The Next Generation | Male | |
| Stanley | Lives by the stony grove
| Male | English |
| Starbuck | Chain of US coffee houses. | Unisex | |
| Storm | Storm
| Male | Word |
| Stout | | Unisex | Hebrew |
| Striker | | Male | |
| Sweet | | Unisex | Hebrew |
| Tab | Abbreviation of Tabor. The biblical Mt. Tabor is a landmark mountain near Nazareth.
| Male | Modern |
| Teak | | Unisex | Hebrew |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Tex | Of Texas | Male | English |
| Tiki | Maori figure representing an ancestor. A wooden or stone image of a Polynesian god. | Unisex | |
| Timber | Wood used as a building material. Also timber-wolf. | Male | Nature |
| Tobi | | Unisex | Hebrew |
| Toblerone | | Male | Hebrew |
| Toby | God is Good | Male | English |
| Toffee | A hard brown, chewy candy | Male | |
| Tom | Bartender at the Leaky Cauldron.
| Male | English |
| Tootsie | A girl or young woman. | Unisex | |
| Tootsie Pop | | Unisex | |
| Tootsie Roll | | Unisex | |
| Toto | | Unisex | |
| Tracker | One who follows the tracks or marks of another. | Unisex | |