Harry Bromley-Davenport (born 15 March 1950 in London, England) is an English film director, screenwritter and producer that entered the film business in 1967 as an assistant to Nicholas Ray. His directorial debut with Whispers of Fear (1976) and co-wrote the screenplay for The Haunting of Julia (1977).

Bromley-Davenport is most popular for the famous horror science-fiction video nasty Xtro (1983) and its sequels Xtro II: The Second Encounter (1991) and Xtro 3: Watch the Skies (1995). He left the UK in 1990 and became an American citizen in 1997.