- Jasontown
- Jessie Anne Estates
- Johnsville
- Joseph Meadows
- Jennie Run Estates
- Jones View
- Jacktown
- James
- James Island
- James Island
- James Island (historical)
- Jenny Island
- Jacobs Run
- Jefferson Court
- Jefferson Heights
- Jefferson Oaks
- Jefferson View
- Jerusalem
- Jimtown
- Johnsville
- Jones
- June Acres
- Jennings
- Jarrettswood
- Johnson Manor
- Joppa Acres
- Joppa Hills
- Joppa Landing
- Jaycox
- Jeffers Hill