Glascock County Courthouse is a courthouse on Main Street in Gibson, Georgia, the county seat of Glascock County. The first county courthouse was built in 1858 with a donation from William Gibson, namesake of the county. It was removed for use as a residence when the currently used courthouse was built in 1919. The courthouse was designed by J.W. McMillian & Son. It was added to the National Register of Historic Places on September 18, 1980.