Yoshio Kosugi (小杉 義男, Kosugi Yoshio; 15 September 1903 – 12 March 1968) was a Japanese actor. He appeared in more than 120 films from 1924 to 1967.
First appearing on stage as a shingeki actor, he was initially recognized for his role as Yasha in The Cherry Orchard. He made his film debut in the 1920s and appeared in a number of films by Akira Kurosawa.
