David Sherwin

David Sherwin-White (24 February 1942 – 8 January 2018) was 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) ISBN 978-0-233-98966-2. A film of the memoir was planned by the director Michael Winterbottom, with Malcolm McDowell cast as Anderson, but never materialised.

He was the son of Oxford historian A.N. Sherwin-White.