Headquarters House (sometimes called the Tebbetts House) is a historic house museum at 118 East Dickson Street in Fayetteville, Arkansas. Built in 1850, it saw action in the American Civil War, serving as a headquarters for both the Union and Confederacy. During the action at Fayetteville, the house was attacked by Confederate troops while serving as a Union outpost. The building was donated to the Washington County Historical Society as a museum in 1967 and was placed on the National Register of Historic Places in 1971.