- Johnson Island
- Johnson Manor
- Johnsontown
- Johnstown
- Johnsville
- Johnsville
- Jomar Acres
- Jonathans Delight
- Jones
- Jones
- Jones Island
- Jones Valley
- Jones View
- Jonestown
- Jonestown
- Jonestown
- Jonesville
- Joppa
- Joppa Acres
- Joppa Heights
- Joppa Hills
- Joppa Landing
- Joppa Manor
- Joppa Vale
- Joppa View
- Joppatowne
- Jordan Mill Farms
- Josenhans
- Joseph Meadows
- Joy Haven