Minamidaito Airport (南大東空港, Minamidaitō Kūkō, (IATA: MMD, ICAO: ROMD)) is an airport in Minamidaitō, Shimajiri District, Okinawa Prefecture, Japan.

The prefecture operates the airport, which is classified as a third class airport.

Only a round flight from Naha, to Minami-Daito and Kitadaitō, back to Naha is operated everyday. The route differs on the day of the week. Flight from Kitadaito to Minamidaitō is the shortest flight in Japan, costs JPY¥7,600, and is only 12 km (7.5 mi) long, takes 3 minutes in the air.