Creek National Capitol, also known as Creek Council House, is a building in downtown Okmulgee, Oklahoma, in the United States. It was capitol of the Muscogee (Creek) Nation from 1878 until 1907. They had established their capital at Okmulgee in 1867, after the American Civil War. In 1992, it was included again on the National Register as a contributing building in the listing of the Okmulgee Downtown Historic District.