Monroe Municipal Airport (ICAO: KEFT, FAA LID: EFT) is a city owned public use airport located three nautical miles (6 km) northeast of the central business district of Monroe, a city in Green County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025, 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 EFT by the FAA but has no designation from the IATA.

Monroe Municipal Airport covers an area of 257 acres (104 ha) at an elevation of 1,086 feet (331 m) above mean sea level. It has two runways with asphalt surfaces: the primary runway 12/30 is 5,000 by 75 feet (1,524 x 23 m) and the crosswind runway 2/20 is 3,000 by 75 feet (914 x 23 m).

For the 12-month period ending May 15, 2024, the airport had 17,300 aircraft operations, an average of 47 per day: 95% general aviation, 3% air taxi and 2% military. In July 2024, there were 41 aircraft based at this airport: 40 single-engine and 1 jet.

• List of airports in Wisconsin

• "Monroe Municipal (EFT)" (PDF). Archived from the original (PDF) on 2006-09-23. at Wisconsin DOT Airport Directory
• Aerial image as of February 2000 from USGS The National Map
• FAA Terminal Procedures for EFT, effective September 5, 2024
• Resources for this airport:
  • FAA airport information for EFT
  • AirNav airport information for KEFT
  • FlightAware airport information and live flight tracker
  • NOAA/NWS weather observations: current, past three days
  • SkyVector aeronautical chart, Terminal Procedures