Chūgen Railway (中原鉄道, Chūgen Tetsudō) was a railway company located in Koizumi-machi (currently Oizumi), Oura district, Gunma prefecture in Japan.
The company was founded on April 5, 1913, and purchased by Tobu Railway in 1937.
Chūgen Railway began to operate the railway line between Koizumimachi (currently Oizumi) and Tatebayashi on March 12, 1917.
It changed its name to Jōshū Railway (上州鉄道, Jōshū Tetsudō) in 1922, and it was purchased by Tobu Railway in 1937.
Koizumimachi, Shinozuka, Hon-Nakano and Tatebayashi stations were in service from the beginning of the railway.