| Name | Meaning | Gender | Origin |
|---|
| Sassy | Lively and spirited | Unisex | English |
| Saxon | Sharp blade | Female | German |
| Schmetterling | Butterfly | Female | German |
| Schnapps | Variety of strong liquor usually associated with Holland | Unisex | English |
| Scout | Observer | Unisex | American English |
| Selma | Helmet of God | Female | German |
| Senta | Conquering | Female | Latin |
| Seraphina | From seraphim, meaning fiery ones | Female | Latin |
| Serilda | Armored Battle Maiden | Female | English |
| Seth | Appointed | Male | Hebrew |
| Shadow | Shadow | Unisex | English |
| Sheba | Daughter of an oath | Female | Hebrew |
| Simba | Lion | Female | Swahili |
| Simone | Listening | Female | Hebrew |
| Smoky | | Unisex | Hebrew |
| Sofia | Wisdom | Female | Greek |
| Sommer | Summer | Female | English |
| Sonnenschein | Sunshine | Female | German |
| Sophie | Wisdom | Female | Greek |
| Sparky | Animated, lively. | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Stein | Stone | Male | Germanic |
| Stella | Star | Female | Latin |
| Strom | Tree, Stream | Male | German |
| Sugar | A sweet powder from sugar cane. Slang for sweetheart. | Female | English |
| Suki | To like | Female | Japanese |
| Tallulah | Abundance, lady, princess | Female | Gaelic |
| Tasha | (Christ's) birthday | Female | Latin |
| Taylor | A tailor | Female | English |
| Teddy | Gift of God | Male | Greek |