Lawrence J. Timmerman Airport (IATA: MWC, ICAO: KMWC, FAA LID: MWC), known locally as Timmerman Field, is an airport in Milwaukee, Wisconsin, United States, owned by Milwaukee County.

[2] The airport was built in 1929 and dedicated on July 6, 1930,[3] one of 25 such projects in U.S. cities by the newly incorporated airplane manufacturer Curtiss-Wright.

[5] Milwaukee County purchased the airport from Fliteways in July 1947, when it was 131 acres (53 ha) in size.

The airport was renamed in July 1959 for Lawrence J. Timmerman (1878–1959), chairman of the Milwaukee County Board of Supervisors from 1936 to 1959.

[1] For the 12-month period ending April 30, 2023, the airport had 27,266 aircraft operations, an average of 75 per day: 97% general aviation, 2% military, and just less than 1% air taxi.