Capitol Airport (FAA LID: 02C) is a public use airport located three nautical miles (6 km) northwest of the central business district of Brookfield, a city in Waukesha County, Wisconsin, United States. It is privately owned by Wisconsin Aviation Investments, LLC. The airport is also known as, or was formerly known as, Capitol Drive Airport. 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 reliever airport facility.