- Joe Indian Island
- John Boyle Island
- John S Moore Homes
- Johnsburg
- Johnson
- Johnson City
- Johnson Corners
- Johnson Creek
- Johnson Mobile Home Park South
- Johnsonburg
- Johnsonville
- Johnstown
- Jolee Mobile Home Community
- Jolly Island
- Jolly K Mobile Home Park
- Jonathan Williams Houses
- Jones Beach
- Jones Beach
- Jones Beach Island
- Jones Corners
- Jones Crossing
- Jones Island
- Jones Island
- Jones Island
- Jones Point
- Jones Point
- Jonesville
- Jordan
- Jordanville
- Joscelyn