Lunenburg Courthouse Historic District is a historic courthouse building and national historic district located at the village of Lunenberg, Lunenburg County, Virginia. The courthouse was built in 1827, and is a two-story, three-bay, brick temple-form building fronted by a tetrastyle Roman Doric order portico. It is six bays deep with two of the bays added in an expansion in 1939. Associated with the courthouse was a large, hipped-roofed frame house which was once an inn known as the Lunenburg State Inn.