| Name | Meaning | Gender | Origin |
|---|
| Sahib | sir | Unisex | |
| Sake | Alcoholic beverage made from rice. | Unisex | |
| Saki | Cape | Unisex | Japanese |
| Samurai | | Unisex | Hebrew |
| Sandi | Defender, helper of all men.
| Female | |
| Sari | noble | Female | Arabic |
| Seni | | Unisex | |
| Shiro | | Unisex | |
| Shiva | | Unisex | |
| Si | | Unisex | |
| Si | | Unisex | |
| Siam | | Male | |
| Sita | Furrowed Brow | Unisex | Hindu |
| Siva | after the Hindu god of destruction | Unisex | |
| Song | | Unisex | Hebrew |
| Sonia | wisdom | Female | Russian |
| Sony | | Unisex | Hebrew |
| Sook | Pure | Unisex | Korean |
| Sora | Chirping Songbird | Unisex | Native American |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Styx | from Greek mythology, the river that formed the boundary between earth and the underworld | Unisex | |
| Suki | beloved | Female | Japanese |
| Sumo | Form of wrestling. | Unisex | |
| Sun | obedient | Female | Korean |
| Sunni | | Unisex | Hebrew |