| Salas | Unisex | Spanish Names |
| Salazar | Unisex | Spanish Names |
| Salinas | Unisex | Spanish Names |
| Salvador | Man | Spanish Names |
| Sancha | Woman | Spanish Names |
| Sanchez | Man | Spanish Names |
| Sanchia | Woman | Spanish Names |
| Sancho | Man | Spanish Names |
| Sancia | Woman | Spanish Names |
| Sandoval | Unisex | Spanish Names |
| Santana | Unisex | Spanish Names |
| Santiago | Man | Spanish Names |
| Santo | Man | Spanish Names |
| Santos | Man | Spanish Names |
| Savanna | Woman | Spanish Names |
| Secia | Woman | Spanish Names |
| Sefora | Woman | Spanish Names |
| Selena | Woman | Spanish Names |
| Senalda | Woman | Spanish Names |
| Sence | Woman | Spanish Names |