Demopolis Regional Airport (ICAO: KDYA, FAA LID: DYA, formerly 7A2) is a city-owned, public-use airport located six nautical miles (7 mi, 11 km) southwest of the central business district of Demopolis, a city in Marengo County, Alabama, United States. It is also known as Demopolis Municipal Airport and Julian D. "Buzz" Sawyer Airport. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2011–2015 and 2009–2013, both of which categorized it as a general aviation facility.