| Name | Meaning | Gender | Origin |
|---|
| Rogue | | Unisex | Hebrew |
| Romeo | Pilgrim to Rome | Male | Italian |
| Rudy | Famous wolf | Male | Germanic |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sable | Sable (black) | Unisex | English |
| Sabre | | Unisex | Hebrew |
| Sacha | Protector of man | Male | Greek |
| Sam | He is called god | Male | Hebrew |
| Sammy | His name is God | Unisex | Hebrew |
| Sampson | Sun | Unisex | Hebrew |
| Sasha | Defending men | Unisex | Greek |
| Satan | The Devil and adversary of God | Unisex | English |
| Saturn | Sixth and second largest planet away from the Sun. | Unisex | English |
| Scout | Observer | Unisex | American English |
| Seth | Appointed | Male | Hebrew |
| Shadow | Shadow | Unisex | English |
| Silver | Silver (the metal or colour) | Male | English |
| Smoky | | Unisex | Hebrew |
| Sparky | Animated, lively. | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Taku | | Male | Hebrew |
| Thunder | Stormy Tempered | Unisex | English |
| Timon | Respect god | Male | Greek |
| Toby | God is good | Unisex | Hebrew |
| Valdez | From the place name in Alaska | Unisex | Spanish |
| Wilmer | Will, desire + famous | Male | English |
| Wolf | Wolf | Male | English |
| Zephyr | West wind | Male | Greek |
| Zeus | Myth Name | Male | Greek |