Freeman Municipal Airport (IATA: SER, ICAO: KSER, FAA LID: SER) is a public use airport located two nautical miles (4 km) southwest of the central business district of Seymour, a city in Jackson County, Indiana, United States. It is owned by the Seymour Airport Authority. This airport is included in the National Plan of Integrated Airport Systems for 2021–2025, which categorized it as a general aviation facility.