- JaƩn (province), Andalusia, Spain5
- Jebel Berri, Saudi Arabia67
- Jebel Moya, Sennar state, Sudan64
- Jebel Tomat, White Nile state, Sudan441
- Jeddito Wash, Navajo County, Arizona9
- Jeddito, Navajo County, Arizona8
- Jefferson County, Kentucky14
- Jefferson County, Missouri191
- Jefferson County, Washington3
- Jefferson County, Wisconsin4
- Jefferson Davis, Louisiana1
- Jelling, Denmark1
- Jemeppe-sur-Sambre, Walloon, Belgium10
- Jemez, Sandoval County, New Mexico26
- Jenny Lind, Calaveras County, California1
- Jerf Ajla, Syria40
- Jericho, West Bank, Palestine2
- Jerome Church (ruins), Panama1
- Jerome, Yavapai County, Arizona4
- Jersey Island, Contra Costa County, California33