Hartford Municipal Airport (ICAO: KHXF, FAA LID: HXF) is a public use airport in Washington County, Wisconsin, United States. The airport is owned by and located two nautical miles (4 km) northwest of the central business district of the city of Hartford. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a local general aviation facility.

Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned HXF by the FAA but has no designation from the IATA.

Hartford Municipal Airport covers an area of 378 acres (153 ha) at an elevation of 1,070 feet (326 m) above mean sea level. It has two runways: 9/27 is 3,401 by 75 feet (1,037 x 23 m) with an asphalt surface and approved GPS approaches, and runway 18/36 is 2,231 by 196 feet (680 x 60 m) with a turf surface.

For the 12-month period ending August 10, 2022, the airport had 15,500 aircraft operations, an average of 42 per day: 97% general aviation, 3% air taxi and less than 1% military. In July 2024, there were 91 aircraft based at this airport: 75 single-engine, 1 multi-engine, 1 jet, 3 helicopter and 11 glider.

• List of airports in Wisconsin

• Airport page at City of Hartford website
• "Hartford Municipal (HXF)" (PDF). Archived from the original (PDF) on 2013-03-15. at Wisconsin DOT Airport Directory
• FAA Terminal Procedures for HXF, effective October 31, 2024
• Resources for this airport:
  • FAA airport information for HXF
  • AirNav airport information for HXF
  • FlightAware airport information and live flight tracker
  • SkyVector aeronautical chart for HXF