Johnson County Executive Airport (IATA: OJC, ICAO: KOJC, FAA LID: OJC) is a public airport located four miles (6 km) southeast of the central business district (CBD) of Olathe, a city in Johnson County, Kansas, United States.

Measured by number of aircraft operations, the facility was the fourth-busiest airport in the state of Kansas in 2018.

[2][3] The airport was built as a naval auxiliary field for use in World War II.

[6] Johnson County Executive Airport covers 568 acres (230 ha) and has one runway and one helipad:[1] For the twelve-month period ending August 31, 2018, the airport had 36,931 aircraft operations, an average of 101 per day: 98% general aviation, 2% air taxi, and less than 1% military.

It provides flight training, charter, maintenance, fuel, hangar, aircraft tiedowns and pilot supplies.