Shawano Municipal Airport (ICAO: KEZS, FAA LID: EZS, formerly 3WO) is a city and county-owned public-use airport located one nautical mile (2 km) northeast of the central business district of Shawano, a city in Shawano County, Wisconsin, United States. 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. The airport is located on Shawano Lake and has a landing area for seaplanes.

Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned EZS by the FAA but has no designation from the IATA (which assigned EZS to Elazığ Airport in Elazığ, Turkey).

Shawano Municipal Airport covers an area of 342 acres (138 ha) at an elevation of 813 feet (248 m) above mean sea level. It has two asphalt paved runways: the primary runway 12/30 is 3,901 by 75 feet (1,189 x 23 m) and the crosswind runway 17/35 is 2,225 by 60 feet (678 x 18 m). The airport also has one seaplane landing area measuring 12,000 by 1,000 feet (3,658 x 305 m).

For the 12-month period ending September 14, 2023, the airport had 12,700 aircraft operations, an average of 35 per day: 96% general aviation, 2% air taxi and 2% military. In July 2024, there were 20 aircraft based at this airport: 19 single-engine and 1 multi-engine.

• List of airports in Wisconsin

• https://shawanoairport.com/
• Shawano Flying Service, the fixed-base operator (FBO)
• "Shawano Municipal (EZS)" (PDF). at Wisconsin DOT Airport Directory
• FAA Terminal Procedures for EZS, effective October 31, 2024
• Resources for this airport:
  • FAA airport information for EZS
  • AirNav airport information for KEZS
  • FlightAware airport information and live flight tracker
  • NOAA/NWS weather observations: current, past three days
  • SkyVector aeronautical chart, Terminal Procedures