David Sherwin

David Sherwin (born 1942) is a British screenwriter best known for his collaborations with director Lindsay Anderson and actor Malcolm McDowell on the films if.... (1968) (for which Sherwin was nominated for a BAFTA Award for Best Screenplay), O Lucky Man! (1973) and Britannia Hospital (1982).

Sherwin attended Tonbridge School, which provided much of the inspiration for the content of if.....

In 1996, Sherwin published a memoir, Going Mad in Hollywood: And Life with Lindsay Anderson, (Andre Deutsch) .