Madison County is the name of twenty counties in the United States, named after President James Madison:
- Madison County, Alabama
- Madison County, Arkansas
- Madison County, Florida
- Madison County, Georgia
- Madison County, Iowa
- Madison County, Idaho
- Madison County, Illinois
- Madison County, Indiana
- Madison County, Iowa
- Madison County, Kentucky
- Madison County, Mississippi
- Madison County, Missouri
- Madison County, Montana
- Madison County, Nebraska
- Madison County, New York
- Madison County, North Carolina
- Madison County, Ohio
- Madison County, Tennessee
- Madison County, Texas
- Madison County, Virginia
There is a book and film The Bridges of Madison County set in the Iowa Madison County..
There is also Madison Parish, Louisiana.
de:Madison County
fr:Comté de Madison
ja:マディソン郡
