Fayette County may refer to various counties in the United States, each named for the Marquis de Lafayette, a Frenchman who served in the American Revolution:
Fayette County, Alabama Fayette County, Georgia Fayette County, Illinois Fayette County, Indiana Fayette County, Iowa Fayette County, Kentucky Fayette County, Ohio Fayette County, Pennsylvania Fayette County, Tennessee Fayette County, Texas Fayette County, Virginia, has existed twice; the two counties continue in existence as Fayette County, Kentucky, and Fayette County, West Virginia Fayette County, West Virginia
See also Lafayette County (disambiguation)