David Edwin Ambrose (born 21 February 1943) is a British novelist, playwright and screenwriter. His credits include at least twenty films, four stage plays, and many hours of television, including the controversial mockumentary Alternative 3 (1977). He was born in Chorley, Lancashire, and educated at Blackburn Grammar School and Merton College, Oxford. He was married to the Swiss-born artist Laurence Ambrose from 1979 until her death in 2019.