| Name | Meaning | Gender | Origin |
|---|
| Rock | Italian from German, rest | Male | English |
| Rocky | rest | Male | English |
| Romani | | Unisex | Hebrew |
| Rose | Flower
| Female | Latin |
| Rowena | White haired
| Female | Welsh |
| Roxanne | Dawn
| Female | Persian |
| Roxie | Persian, dawn | Female | English |
| Roxy | From Roxanne - Brilliant dawn | Female | English |
| Sable | A carnivorous mammal of Northern Europe with soft, dark fur. | Female | Animal |
| Sage | Aromatic grayish-green herb. Wise or experienced person. | Female | |
| Sasha | defending men | Female | Russian |
| Saskia | Saxon | Female | Dutch |
| Sequoia | sparrow | Female | Native |
| Seren | for Serendipidity | Male | Welsh |
| Serena | Tranquil or serene. | Female | Latin |
| Shadow | A rough, dark image cast by an object blocking the sun's rays | Female | English |
| Sky | The expanse of air over the Earth | Female | Nature |
| Skyler | Dutch, scholar | Male | Spelling |
| Slate | | Male | |
| Sparrow | a bird | Female | Nature |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Storm | Storm
| Male | Word |
| Tatiana | | Female | |
| Thalia | blooming, plentiful | Female | Greek |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |