| Jamestown Township, IA (Township) |
| Jamesville, SD (Township) |
| Jamesville, NC (Town) |
| Jane, MO (Village) |
| Jane Lew, WV (Town) |
| Janesville, KS (Township) |
| Janesville, MN (City) |
| Janesville, IA (City) |
| Janesville, MN (Township) |
| Janesville, WI (City) |
| Janesville Town, WI (Town) |
| Janke, ND (Township) |
| Jansen, NE (Village) |
| Jaqua, KS (Township) |
| Jarratt, VA (Town) |
