| Name | Meaning | Gender | Origin |
| Salem | Secure, peace | Unisex | Arabic |
| Sasquatch | Has extra toes and hence is a bigfoot | Unisex | English |
| Scorpio | Scorpion | Unisex | English |
| Shadow | Shadow | Unisex | English |
| Shelley | Clearing near a ledge | Male | English |
| Sidney | Wide meadow | Male | English |
| Simon | Listening | Male | Hebrew |
| Skye | Cloud | Male | Norse |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Unisex | English |
| Snickers | A brand of candy bar. | Unisex | English |
| Sooty | Covered with soot | Unisex | English |
| Spider | An eight legged insect | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Spirit | Part of the human being associated with the mind. Vigorous or animated state - spirited. Also distilled alcohol. | Unisex | English |
| Spooky | | Unisex | Hebrew |
| Stephen | Crown | Male | Greek |
| Stormy | Violent weather | Unisex | English |
| Styx | Myth Name (A River Of The Underworld) | Unisex | English |
| Sweet | | Unisex | Hebrew |
| Talon | A claw | Male | English |
| Thor | Thunder | Male | Norse |
| Thorne | Thorn bush | Male | English |
| Thunder | Stormy Tempered | Unisex | English |
| Thurston | Thor's stone, Thor's settlement | Male | English |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Tootsie | A girl or young woman. | Unisex | English |
| Trouble | A cause of disturbance or difficulty. | Unisex | English |
| Victor | Victor | Male | Latin |
| Vincent | Conquering | Male | Latin |
| Vlad | Rule | Male | Russian |