| Summer | Woman | English Names |
| Summers | Unisex | English Names |
| Sunderlin | Unisex | English Names |
| Sunny | Unisex | English Names |
| Sunshine | Woman | English Names |
| Susie | Woman | English Names |
| Sutherland | Unisex | English Names |
| Sutter | Unisex | English Names |
| Sutton | Unisex | English Names |
| Suzy | Woman | English Names |
| Swain | Man | English Names |
| Swann | Unisex | English Names |
| Swanson | Unisex | English Names |
| Swithin | Man | English Names |
| Sycamore | Unisex | English Names |
| Sylvester | Man | English Names |
| Sylvestra | Woman | English Names |
| Symphony | Unisex | English Names |
| Synclair | Man | English Names |