Afton Municipal Airport (IATA: AFO, ICAO: KAFO, FAA LID: AFO) is a town-owned, public-use airport located one nautical mile (1.85 km) southwest of the central business district of Afton, a town in Lincoln County, Wyoming, United States. It is also known as Afton-Lincoln County Airport.

This airport is included in the FAA's National Plan of Integrated Airport Systems (2009–2013), which categorizes it as a general aviation airport.