Hancock County er navnet på 10 counties i USA. Alle opkaldt efter John Hancock der var leder af den amerikanske revolution:
Hancock County, Georgia Hancock County, Illinois Hancock County, Indiana Hancock County, Iowa Hancock County, Kentucky Hancock County, Maine Hancock County, Mississippi Hancock County, Ohio Hancock County, Tennessee Hancock County, West Virginia
Formerly Winston County, Alabama, navngivet Hancock County indtil 1858