The Chōsen Government Railway was a state-owned railway company in Korea during Japanese rule. It was also colloquially known by the abbreviated name Sentetsu (鮮鐵). It was the operational division of the Railway Bureau of the Government-General of Chōsen , which managed and operated railways in Chōsen, as well as supervised privately owned railway companies.

The South Manchuria Railway, officially The South Manchuria Railway Company, Ltd. , Mantetsu or Mantie for short, was a large National Policy Company of the Empire of Japan whose primary function was the operation of railways on the Dalian–Fengtian (Mukden)–Changchun corridor in northeastern China, as well as on several branch lines.