Mieczysław Stoor (5 September 1929 – 5 October 1973) was a Polish film actor. He appeared in 37 films between 1954 and 1973.

While still a student, he performed at the Teatr im. Wojciech Bogusławski in Kalisz. In the theater, he made his debut on August 18, 1950 with the role of Stańczyk in the play Window in the Forest on the stage of the Kalisz stage. In 1953 he graduated from the Acting Department of the PWST in Łódź. In the years 1952-1953 he was an actor in the Universal Theater in Łódź, and in the 1953 season.