Burlington Municipal Airport (ICAO: KBUU, FAA LID: BUU) is a public use airport located 1 mile (1.6 km) northwest of the central business district of Burlington, a city in Racine 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 regional general aviation facility.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned BUU by the FAA but has no designation from IATA.

The airport does not have scheduled airline service. The closest airport with scheduled airline service is Milwaukee Mitchell International Airport, about 27 miles (43 km) to the northeast.