| Clarksville, MO (City) |
| Clarksville, TN (City) |
| Clarksville, AR (City) |
| Clarksville, MI (Village) |
| Clarksville, OH (Village) |
| Clarksville, PA (Borough) |
| Clarksville, VA (Town) |
| Clarksville City, TX (Town) |
| Clarkton, MO (City) |
| Clarkton, NC (Town) |
| Clarno, WI (Town) |
| Clarno, SD (Township) |
| Clatonia, NE (Village) |
| Clatonia, NE (Township) |
| Clatskanie, OR (City) |
