Madison County may refer to the following counties in the United States:
Madison County, Alabama Madison County, Arkansas Madison County, Florida Madison County, Georgia Madison County, Idaho Madison County, Illinois Madison County, Indiana Madison County, Iowa Madison County, Kentucky, originally Madison County, Virginia (1785–1792) 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 (established 1792)
See also The Bridges of Madison County, book and film set in Madison County, Iowa Madison County (film), a 2011 film Madison Parish, Louisiana