Kumagaya Station is an interchange passenger railway station located in the city of Kumagaya, Saitama, Japan, operated jointly by East Japan Railway Company and the private railway operator Chichibu Railway.

Kumagaya is a city located in Saitama Prefecture, Japan. As of 1 February 2021, the city had an estimated population of 195,277 in 87,827 households and a population density of 1200 persons per km2. The total area of the city is 159.82 square kilometres (61.71 sq mi).