Oneonta Municipal Airport (IATA: ONH, FAA LID: N66) is a public use airport located three nautical miles (6 km) north of the central business district of Oneonta, a city in Otsego County, New York, United States.

[1] It once had scheduled air service on Mohawk Airlines, formerly known as Catskill Airways.

Oneonta Municipal Airport covers an area of 310 acres (130 ha) at an elevation of 1,763 feet (537 m) above mean sea level.

[1] For the 12-month period ending February 21, 2008, the airport had 21,600 aircraft operations, an average of 59 per day: 86% general aviation, 14% air taxi, and <1% military.

At that time there were 9 aircraft based at this airport: 67% single-engine, 22% multi-engine and 11% helicopter.