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.

[2] 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[3] (which assigned EZS to Elazığ Airport in Elazığ, Turkey).

[4] Shawano Municipal Airport covers an area of 342 acres (138 ha) at an elevation of 813 feet (248 m) above mean sea level.

[1] 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.