| Name | Meaning | Gender | Origin |
|---|
| Scamper | | Unisex | Hebrew |
| Scotty | Painted warrior | Male | English |
| Shadow | Shadow | Unisex | English |
| Shelby | A place where willows grow | Female | American English |
| Shiloh | Gift for him | Unisex | Hebrew |
| Skip | Master of a Ship | Male | American English |
| Skye | Cloud | Male | Norse |
| Skylar | Guarded | Female | Dutch |
| Slinkster | | Unisex | Hebrew |
| Slinky | | Unisex | Hebrew |
| Snoopy | | Unisex | Hebrew |
| Snowy | Covered with snow | Female | English |
| Sparky | Animated, lively. | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Spot | After Data's cat on Star Trek: The Next Generation | Unisex | English |
| Spunky | Spirited, plucky. | Unisex | English |
| Stella | Star | Female | Latin |
| Stinky | | Unisex | Hebrew |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | English |
| Thor | Thunder | Male | Norse |
| Tiger | Tiger | Unisex | English |
| Timmy | To honor God, to fear God | Male | Greek |
| Truffles | Ball shaped chocolate | Unisex | English |
| Vincent | Conquering | Male | Latin |
| Vinny | Conquering | Male | Latin |
| Walter | Ruler of the army | Male | Germanic |
| Yoda | | Unisex | Hebrew |