Ely Municipal Airport (IATA: LYU, ICAO: KELO, FAA LID: ELO) is a public airport located in Saint Louis County, Minnesota, United States, four miles south of the city of Ely, which owns the airport.

Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Ely Municipal Airport is ELO to the FAA and LYU to the IATA (Eldorado, Misiones, Argentina has IATA code ELO).