Knox County Courthouse may refer to:
Knox County Courthouse (Galesburg, Illinois) Knox County Courthouse (Knoxville, Illinois) Knox County Courthouse (Kentucky), Barbourville, Kentucky Knox County Courthouse (Maine), Rockland, Maine Knox County Courthouse, part of the Edina Double Square Historic District in Missouri Knox County Courthouse (Nebraska), Center, Nebraska Knox County Courthouse (Ohio), Mount Vernon, Ohio Knox County Courthouse (Tennessee), Knoxville, Tennessee Knox County Courthouse (Texas), Benjamin, Texas