| Sofranór | Man | Spanish Names |
| Sofronia | Woman | Spanish Names |
| Sol | Unisex | Spanish Names |
| Sola | Woman | Spanish Names |
| Soledad | Woman | Spanish Names |
| Solis | Unisex | Spanish Names |
| Sonora | Woman | Spanish Names |
| Soto | Man | Spanish Names |
| Suarez | Unisex | Spanish Names |
| Suelita | Man | Spanish Names |
| Sulamita | Woman | Spanish Names |
| Tacito | Man | Spanish Names |
| Taco | Unisex | Spanish Names |
| Tadeo | Man | Spanish Names |
| Tanix | Man | Spanish Names |
| Tapia | Unisex | Spanish Names |
| Tavita | Woman | Spanish Names |
| Tea | Woman | Spanish Names |
| Techa | Woman | Spanish Names |
| Tejana | Woman | Spanish Names |