Junín Airport (Spanish: Aeropuerto de Junín) (IATA: JNI, ICAO: SAAJ) was a domestic airport serving Junín, a city in the Buenos Aires Province of Argentina. It is located 2 kilometres (1 mi) north of the city.

Current aerial imagery shows the runway is marked closed. Google Earth Historical Imagery (8/31/2009), (9/9/2013) show the closure was sometime after August 2009.

The Junin VOR and non-directional beacon (Idents: NIN) are located on the field.