| Long Grove, IA (City) |
| Long Grove, IL (Village) |
| Long Hill Township, NJ (Township) |
| Long Hollow, SD (Township) |
| Long Island, KS (Township) |
| Long Island, ME (Town) |
| Long Island, KS (City) |
| Long Lake, ND (Township) |
| Long Lake, SD (Town) |
| Long Lake, MN (City) |
| Long Lake, NY (Town) |
| Long Lake, MN (Township) |
| Long Lake, MN (Township) |
| Long Lake Ranch Community Development District, FL (CDD) |
| Long Lake Town, WI (Town) |
