| Name | Meaning | Gender | Origin |
|---|
| Rusty | Rusty, full of rust | Unisex | American English |
| Sable | Sable (black) | Unisex | English |
| Sabre | | Unisex | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sasha | Defending men | Unisex | Greek |
| Sassy | Lively and spirited | Unisex | English |
| Satan | The Devil and adversary of God | Unisex | English |
| Saturn | Sixth and second largest planet away from the Sun. | Unisex | English |
| Scamp | A mischievous youngster | Unisex | English |
| Scamper | | Unisex | Hebrew |
| Scout | Observer | Unisex | American English |
| Shadow | Shadow | Unisex | English |
| Smoky | | Unisex | Hebrew |
| Snowball | | Unisex | Hebrew |
| Sparky | Animated, lively. | Unisex | English |
| Spice | Plant used to flavour food or beverages. | Unisex | English |
| Splash | To cause fluid to scatter in flying masses. To display very noticeably. | Unisex | English |
| Taboo | | Unisex | Hebrew |
| Taurus | Bull | Unisex | Latin |
| Tilly | Powerful battler | Unisex | Germanic |
| Tinker | | Unisex | Hebrew |
| Toby | God is good | Unisex | Hebrew |
| Trinket | | Unisex | Hebrew |
| Tulip | | Unisex | Hebrew |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Vegas | | Unisex | Hebrew |
| Whisper | | Unisex | Hebrew |
| Ziggy | Victory protection | Unisex | Germanic |