| Harrold, SD (Town) |
| Hart, SD (Township) |
| Hart, MI (City) |
| Hart, MN (Township) |
| Hart, TX (City) |
| Hart, IN (Township) |
| Hart County, KY (County) |
| Hart County, GA (County) |
| Hart Lake, MN (Township) |
| Hart Township, MI (Township) |
| Harter Township, IL (Township) |
| Hartford, IL (Village) |
| Hartford, AL (City) |
| Hartford, MN (Township) |
| Hartford, NY (Town) |
