Humboldt Municipal Airport (IATA: HUD, FAA LID: 0K7) is a city-owned public-use airport located one nautical mile (1.85 km) west of the central business district of Humboldt, a city in Humboldt County, Iowa, United States. According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is classified as a general aviation airport.