is a passenger railway station located in the city of Koshigaya, Saitama, Japan, operated by East Japan Railway Company (JR East).
Minami-Koshigaya Station is served by the orbital Musashino Line from to and , and lies 43.5 kilometers from Fuchà «hommachi Station. It is also located adjacent to Shin-Koshigaya Station on the Tobu Skytree Line.
The elevated station consists of two side platforms serving two tracks. The station has a Midori no Madoguchi staffed ticket office.
The station opened on 1 April 1973. The adjacent Shin-Koshigaya Station opened on 23 July 1974, providing an interchange with the TÃ Âbu Isesaki Line (now TÃ Âbu Skytree Line).
In fiscal 2019, the station was used by an average of 75,390 passengers daily (boarding passengers only). The daily average passenger figures (boarding passengers only) in previous years are as shown below.