Oscoda County Dennis Kauffman Memorial Airport (FAA LID: 51M) is a county-owned, public-use airport in Oscoda County, Michigan, United States.

It is located two nautical miles (4 km) north of the central business district of Mio, Michigan.

[3] The airport covers an area of 80 acres (32 ha) at an elevation of 1,050 feet (320 m) above mean sea level.

[1][4][5] For the 12-month period ending December 31, 2021, the airport had 1196 aircraft operations, an average of 23 per week.

At that time there were nine aircraft based at this airport, including 8 single-engine airplanes and 1 helicopter.