| Name | Meaning | Gender | Origin |
|---|
| Seward | from the sea | Male | English |
| Seymour | From St. Maur
| Male | English |
| Shamrock | | Unisex | |
| Sheffield | from the crooked field | Male | English |
| Sheldon | protected hill | Male | English |
| Shelley | clearing on a bank | Male | English |
| Shelton | place on a ledge or bank | Male | English |
| Sherwood | Bright forest. | Male | English |
| Shoda | | Unisex | Hebrew |
| Silver | White
| Male | English |
| Sinclair | From Saint Clair sur Elle
| Male | Scottish |
| Sirius | burning | Male | Latin |
| Sitka | | Unisex | Hebrew |
| Somerset | From The Summer Settlers | Unisex | English |
| Sorrel | reddish brown | Male | Botanical |
| Spencer | Shopkeeper, dispenser, keeper | Male | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | American |
| Springer | jumper, leaper | Male | English |
| Stanley | Lives by the stony grove
| Male | English |
| Stennis | | Unisex | Hebrew |
| Storm | Storm
| Male | Word |
| Stratford | From The River Ford On The Street | Unisex | English |
| Sulayman | Peace | Unisex | Arabic |
| Sully | from the south meadow | Male | |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |