| Name | Meaning | Gender | Origin |
|---|
| Scooter | One who goes suddenly and speedily. | Male | |
| Scout | One dispatched from main body to gather information | Male | Word |
| Shiva | | Unisex | |
| Sid | | Unisex | |
| Silver | White
| Male | English |
| Simba | from The Lion King | Male | Swahili |
| Simba | lion | Male | Swahili |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smoky | | Unisex | |
| Snowball | | Unisex | |
| Snowy | Covered with snow | Unisex | |
| Sparky | Animated, lively. | Unisex | |
| Sputnik | | Unisex | Hebrew |
| Storm | Storm
| Male | Word |
| Tahoe | edge of the lake | Male | Native |
| Talon | large claw of a bird of prey | Male | |
| Tanja | | Unisex | |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Tegan | doe | Unisex | |
| Teva | Nature | Unisex | English |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |