Dinwiddie County Court House is a historic courthouse building located at the junction of U.S. 1 and VA 619 in Dinwiddie, Dinwiddie County, Virginia. It was built in 1851, and is a two-story, brick temple-form building in the Greek Revival style. It measures approximately 37 ft wide and 78 ft long, and features a front portico added in 1933. The courthouse was the site of the Battle of Dinwiddie Court House in the closing stages of the American Civil War. The Dinwiddie County Historical Society is currently located in this building. It was listed on the National Register of Historic Places in 1973.