| Name | Meaning | Gender | Origin |
|---|
| Ruby | Jewel
| Female | Latin |
| Rumi | | Unisex | |
| Santana | Little Saint | Female | Spanish |
| Sapphire | Precious Gem | Female | Hebrew |
| Shale | | Male | |
| Slate | | Male | |
| 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 | |
| Snowflake | Single flake or crystal of snow. | Unisex | |
| Stain | | Unisex | Hebrew |
| Stanley | Lives by the stony grove
| Male | English |
| Steinway | | Unisex | Hebrew |
| Stennis | | Unisex | Hebrew |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Stonewall | | Unisex | Hebrew |
| Stoney | Stone-Lie | Unisex | Greek |
| Strawberry | | Female | |
| Sylvester | A cartoon cat that tried to eat the bird character Tweety. He was a black and white cat.
| Male | Latin |
| Taj | crown | Male | Hindi |
| Tama | Jewel | Unisex | Japanese |
| Tara | A hill where the kings met
| Female | Irish |
| Thurston | Thor's jewel. | Male | Scandinavian |
| Tina | River
| Female | English |
| Topaz | A yellow gemstone | Female | Greek |