Brown County Courthouse may refer to:

Brown County Courthouse Historic District, Nashville, Indiana Brown County Courthouse (Illinois), Mount Sterling, Illinois Brown County Courthouse (Kansas), Hiawatha, Kansas Brown County Courthouse (Minnesota), New Ulm, Minnesota Brown County Courthouse (Ohio), Georgetown, Ohio Brown County Courthouse (South Dakota), Aberdeen, South Dakota Brown County Courthouse (Texas), Brownwood, Texas Brown County Courthouse (Wisconsin), Green Bay, Wisconsin