| Sahrid | A person with a good heart. |
| Saito | One who is a divine follower. |
| Samoa | Sacred center of the universe. |
| Samwell | God has heard the prayer. |
| Sano | A name meaning healthy one. |
| Savu | A Finnish name meaning wise. |
| Scathach | A legendary warrior woman. |
| Serama | A small breed of ornamental chicken. |
| Setesh | Ancient Egyptian god of the desert. |
| Shank | A sacred conch shell |
| Shikamaru | A deer in the forest. |
| Shinji | True second son or child. |
| Shogo | A child of bright wisdom. |
| Signal | A name meaning a clear sign. |
| Sintra | A town of hills and royal palaces |
| Siren | A creature of enchanting music |
| Snooki | A nickname meaning small nose. |
| Solar | Relating to the sun or sunlight. |
| Solfege | A method for teaching musical pitch. |
| Solivagant | One who wanders alone by themselves. |
| Static | Something fixed or lacking motion. |
| Stellaluna | A name meaning star and moon. |
| Sumba | An island located in eastern Indonesia. |
| Suryavansha | Lineage of the sun god. |
| Suryavanshi | Descendant of the sun. |
| Sylvanie | Derived from the woods or forest. |
| Taena | A name meaning a new beginning. |
| Tausret | The mighty lady of ancient Egypt. |
| Tayshia | A name meaning alive or gift. |
| Tern | A slender, graceful sea bird. |
| Tiaraju | A name of indigenous origin |
| Torque | A force that causes an object rotate. |
| Tsuki | The Japanese word for the moon. |
| Udan | A name meaning to fly or soar. |
| Udupa | A name meaning the moon. |
| Uirau | A name of indigenous origin. |
| Unit | A single individual or entity. |
| Usanee | A name meaning morning star. |
| User | One who utilizes a service. |
| Vainateya | Son of Vinata, Garuda the bird. |