| Frederick, MD (City) |
| Frederick, CO (Town) |
| Frederick, SD (Township) |
| Frederick, SD (Town) |
| Frederick County, VA (County) |
| Frederick County, MD (County) |
| Frederick Township, IL (Township) |
| Fredericksburg, IA (City) |
| Fredericksburg, TX (City) |
| Fredericksburg, IN (Town) |
| Fredericksburg, OH (Village) |
| Fredericksburg, VA (City) |
| Fredericksburg Township, IA (Township) |
| Fredericktown, MO (City) |
| Fredericktown, OH (Village) |
