| Sorab | Famous Persian Prince, Illustrious |
| Spanky | One who is Outspoken or Stubborn |
| Sparky | Giving off Sparks |
| Spelman | English surname meaning 'blacksmith' or 'metalworker'. |
| Spider | Resembling the Arachnid |
| Spyder | Resembling the Arachnid |
| Stancil | Derived from stone clearing. |
| Stanmore | From the stony moorland. |
| Starlin | A bird of the starling kin. |
| Stefen | Wreath, Crowned |
| Stefin | Variant of Stefan, meaning 'crown' or 'garland'. |
| Stelio | Derived from the Greek star. |
| Stephin | A crown or garland of honor. |
| Stergios | Greek name meaning 'watchful' or 'vigilant'. |
| Stev | A short form of the name Steven. |
| Stevin | A variant meaning the crowned. |
| Stewan | Derived from Stephen, meaning 'crown' or 'garland' |
| Stiv | Short form of Steven, meaning 'crown' or 'garland' |
| Stiven | Scottish variant of Stephen, meaning 'crown' or 'garland' |
| Sumo | Japanese term for a professional wrestler, meaning 'strong' |
| Suneil | A young man like the sun. |
| Sut | Short form of Stuart, meaning 'strong and steadfast' |
| Suzi | Variant of Susan, meaning 'lily' or 'pure' |
| Swan | Symbolic of elegance and refinement, often associated with beauty |
| Sway | To move with gentle rhythm. |
| Sylver | Silver-haired, Silver |
| Sabalan | Mountain, strong |
| Sabiqin | Early riser, pioneer |
| Safiulla | The pure friend of Allah. |
| Samiar | A companion who listens well. |
| Saml | A name meaning peace and calm. |
| Samsudin | Servant of the faith |
| Sepahdar | Commander, leader |
| Sepanta | Hero, brave warrior |
| Shyjal | Derived from Arabic, means 'gift' or 'blessing' |
| Sirajudheen | Arabic, means 'light of the faith' |
| Sumama | Arabic, means 'peaceful' or 'tranquil' |
| Sureen | Arabic, means 'pure' or 'chaste' |
| Suwar | Arabic, means 'images' or 'pictures' |
| Syahahiin | Arabic, means 'righteous' or 'just' |