- Jacks Corner
- Jackson
- Jackson Grove
- Jackson Island
- Jackson Landing
- Jackson Mill Farms
- Jackson Ridge
- Jacksons Corner
- Jacksonville
- Jacktown
- Jacobs Run
- Jacobsville
- James
- James Island
- James Island
- James Island (historical)
- Janes Island
- Janwood
- Jarrettsville
- Jarrettswood
- Jasontown
- Jaycox
- Jeffers Hill
- Jefferson
- Jefferson Court
- Jefferson Heights
- Jefferson Heights
- Jefferson Island
- Jefferson Oaks
- Jefferson View