Jack Mendelsohn (born 1926) is a writer-artist who has worked in animation, comic strips and comic books. An Emmy-nominated television comedy writer and story editor, he has numerous credits as a TV scripter, including Rowan & Martin's Laugh-In, Three's Company, The Carol Burnett Show and Teenage Mutant Ninja Turtles. Among his work for feature films, he was a co-screenwriter of Yellow Submarine (1968).