| Name | Meaning | Gender | Origin |
|---|
| Radar | | Unisex | Hebrew |
| Rambo | | Unisex | Hebrew |
| Reyna | Pure | Female | Yiddish |
| Rosie | Rose | Female | Latin |
| Sadie | Princess | Female | Hebrew |
| Safari | | Unisex | Hebrew |
| Sage | Aromatic herb | Unisex | English |
| Sammy | His name is God | Unisex | Hebrew |
| Scooby | | Unisex | Hebrew |
| Scooter | One who goes suddenly and speedily. | Unisex | English |
| Scout | Observer | Unisex | American English |
| Shiloh | Gift for him | Unisex | Hebrew |
| Shorty | Of less than average size | Unisex | English |
| Skittles | | Unisex | Hebrew |
| Sniff | A short inhale through the nose. To savour or investigate a smell. | Unisex | English |
| Snoopy | | Unisex | Hebrew |
| Sophie | Wisdom | Female | Greek |
| Stitch | After the character in the Lilo And Stitch cartoon | Unisex | English |
| Storm | Violent weather | Female | English |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | English |
| Toby | God is good | Unisex | Hebrew |
| Trigger | | Unisex | Hebrew |
| Trinity | Threefold | Female | Latin |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Twiggy | | Unisex | Hebrew |
| Waffles | | Unisex | Hebrew |
| Whiskey | An alcoholic liquor distilled from grain | Unisex | English |
| Wiggles | | Unisex | Hebrew |
| Winchester | | Unisex | Hebrew |
| Winnie | Blessed peace | Unisex | Welsh |