The Class C57 (C57形) is a type of 4-6-2 steam locomotive built in Japan from 1937 to 1947.

A total of 201 Class C57 locomotives were built and designed by Hideo Shima.

[citation needed] The class was withdrawn from regular passenger service in December 1975.

[3] As of 2018, it makes regular runs on the Yamaguchi line between Shin-Yamaguchi and Tsuwano[4] The service was suspended following the July 2018 heavy rains, with C57 1 making guest appearance as the leisure train locomotive at the Kyoto Railway Museum during the forced break.

C57 180 was restored to working order by JR East, and hauls special event trains on JR East lines mainly between Niigata, Aizu-Wakamatsu, and Kōriyama.