Karl Platen (6 March 1877 – 4 July 1952) was a German actor and cinematographer of the silent era and later the sound era and known for Girl in the Moon (1929) and M (1931).

Karl Platen was born as Carl Platen on March 6, 1877, in Halle an der Saale, Germany.

He died on July 4, 1952, in Weimar, German Democratic Republic at the age of 75.