- Jo Jo
- Jackson
- Jonas
- Jamestown Village
- Jarrettown
- Jeffersonville
- Joshua Knoll
- Jacksonville
- Jamesville
- Juniata Furnace
- Juniata
- Jacobs Creek
- James City
- Jenners
- Jennersville
- Jersey Mills
- Joanna
- Joffre
- Jones Mills
- Jamison
- Jefferson
- Joliett
- Jonestown
- Jenners Crossroads
- Jerome Junction
- Jimtown
- Johnsburg
- Jackson
- Jefferson Junction
- Jackson Center