| Solon, IA (City) |
| Solon, OH (City) |
| Solon Springs, WI (Town) |
| Solon Springs, WI (Village) |
| Solon Township, MI (Township) |
| Solon Township, MI (Township) |
| Solterra Resort Community Development District, FL (CDD) |
| Solvang, CA (City) |
| Solvay, NY (Village) |
| Solway, MN (Township) |
| Solway, MN (City) |
| Somer Township, IL (Township) |
| Somerdale, NJ (Borough) |
| Somerford Township, OH (Township) |
| Somers, WI (Town) |
