Cliff Clark (June 10, 1889 – February 8, 1953) was an American actor. He entered the film business in 1937 after a substantial stage career and appeared in over 200 Hollywood films. In the last years of his life, he also played in a number of television productions. Clark mostly played minor supporting roles. A specialty of his were policemen, inspectors and sheriffs. He appeared in a recurring role as Inspector Donovan in the Falcon film series at RKO Pictures during the 1940s.