De Witt Municipal Airport (FAA LID: 5M1) is a public use airport in Arkansas County, Arkansas, United States.

[1] It is owned by the City of De Witt (or DeWitt) and located three nautical miles (6 km) southeast of its central business district.

[2] De Witt Municipal Airport covers an area of 79 acres (32 ha) at an elevation of 190 feet (58 m) above mean sea level.

It has one runway designated 18/36 with an asphalt surface measuring 3,204 by 60 feet (977 x 18 m).

[1] For the 12-month period ending August 31, 2016, the airport had 51,100 aircraft operations, an average of 140 per day: 99.8% general aviation and 0.2% military.