| St. Bernard Parish, LA (County) |
| St. Charles, MI (Village) |
| St. Charles Parish, LA (County) |
| St. Charles Township, MI (Township) |
| St. Clair, MI (City) |
| St. Clair, PA (Township) |
| St. Clair County, MI (County) |
| St. Clair County, IL (County) |
| St. Clair County, AL (County) |
| St. Clair Shores, MI (City) |
| St. Clair Township, MI (Township) |
| St. Clair Township, OH (Township) |
| St. Clair Township, OH (Township) |
| St. Clairsville, PA (Borough) |
| St. Cloud, FL (City) |
