Fillmore Municipal Airport (IATA: FIL, ICAO: KFOM, FAA LID: FOM) is a city-owned public-use airport located two nautical miles (4 km) west of the central business district of Fillmore, a city in Millard County, Utah, United States.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned FOM by the FAA and FIL by IATA (which assigned FOM to Foumban Airport in Foumban, Cameroon).