| Name | Meaning | Gender | Origin |
|---|
| Skylar | Guarded | Female | Dutch |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Unisex | English |
| Smoky | | Unisex | Hebrew |
| Smudge | A blotch or smear | Unisex | English |
| Sooty | Covered with soot | Unisex | English |
| Sophie | Wisdom | Female | Greek |
| Spade | | Unisex | Hebrew |
| Sparky | Animated, lively. | Unisex | English |
| Spider | An eight legged insect | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Spooky | | Unisex | Hebrew |
| Spot | After Data's cat on Star Trek: The Next Generation | Unisex | English |
| Storm | Violent weather | Female | English |
| Stormy | Violent weather | Unisex | English |
| Suede | Swedish | Unisex | English |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | English |
| Sullivan | Keen eye | Male | Gaelic |
| Sun | Goodness | Female | Korean |
| Svetlana | Light | Female | Russian |
| Talon | A claw | Male | English |
| Tara | Crag | Female | Gaelic |
| Taryn | King Of Rocky Hill. Variant Of Tarynn. | Female | American English |
| Tasha | (Christ's) birthday | Female | Latin |
| Tatiana | Variant Of An Ancient Italian Name; Myth Name | Female | Latin |
| Ted | Gift of God | Male | Greek |
| Teddy | Gift of God | Male | Greek |
| Tee | Tough | Male | Irish |
| Tempest | Storm | Female | English |
| Terrell | Thunder Ruler | Male | English |
| Tex | Of Texas | Unisex | English |