| Satchel | Man | American Names |
| Satinka | Woman | American Names |
| Saturday | Unisex | American Names |
| Saundra | Woman | American Names |
| Savaria | Unisex | American Names |
| Saviolla | Woman | American Names |
| Savion | Man | American Names |
| Savvy | Woman | American Names |
| Schantelle | Woman | American Names |
| Scooter | Man | American Names |
| Scotlyn | Woman | American Names |
| Scout | Unisex | American Names |
| Sea | Woman | American Names |
| Seanna | Woman | American Names |
| Sedona | Woman | American Names |
| Seim | Unisex | American Names |
| Semaj | Unisex | American Names |
| September | Unisex | American Names |
| Sequence | Unisex | American Names |
| Sequester | Unisex | American Names |