| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Syene (historical) | city | Wisconsin | United States | 43.01 | -89.40 | 898 | |
| Sylvan | city | Wisconsin | United States | 43.42 | -90.63 | 1213 | |
| Sylvan Mounds | city | Wisconsin | United States | 43.00 | -88.98 | 889 | |
| Sylvan Shores | city | Wisconsin | United States | 43.81 | -89.04 | 830 | |
| Sylvania | city | Wisconsin | United States | 42.70 | -87.96 | 830 | |
| Symco | city | Wisconsin | United States | 44.51 | -88.90 | 856 |