Kyotaro Nishimura (西村 京太郎, Nishimura Kyōtarō, 6 September 1930 – 3 March 2022) was a Japanese novelist in the police procedural genre.

Nishimura is best known for his "train series" mysteries, most of which feature his characters, police detectives Shozo Totsugawa, Sadao Kamei and Tokitaka Honda.

He won the Mystery Writers of Japan Award in 1981 for The Terminal Murder Case.

He died from liver cancer on 3 March 2022, at the age of 91.

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