- Short Term Parking, Greenville, Outagamie County, Wisconsin, 54942, United States
- Distance to city: Directions to city
- Coordinates (lat,lon): 44.2601, -88.5099
Appleton International Airport , formerly Outagamie County Regional Airport, is an airport located in Greenville, Wisconsin, United States, 3 nautical miles (5.6 km; 3.5 mi) west of Appleton. Although ATW is an international airport, currently there are no scheduled international flights. Rather, private aircraft arriving in the United States can clear Customs at the airport. 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 non-hub primary commercial service facility. It is the third busiest of eight commercial airports in Wisconsin in terms of passengers served.