Cal Collins (May 5, 1933 – August 27, 2001) was an American jazz guitarist. Born in Medora, Indiana, United States, Collins first played the mandolin professionally as a bluegrass musician in the early 1950s. After service in the Army, he moved to Cincinnati, Ohio, and switched to jazz guitar after hearing swing guitarists Charlie Christian, Irving Ashby, and Oscar Moore. He played in Cincinnati for twenty years.