Prairie du Chien Municipal Airport (IATA: PCD, ICAO: KPDC, FAA LID: PDC) is a city owned public use airport located two nautical miles (4 km) southeast of the central business district of Prairie du Chien, a city in Crawford 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 basic general aviation facility.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned PDC by the FAA and PCD by the IATA (which assigned PDC to Mueo, New Caledonia).