Jack Asher B.S.C. (29 March 1916, London – 1991) was an English cinematographer. His brother Robert Asher was a film and TV director with whom he worked on several occasions. He began his cinematic career as a camera operator, and made his first film as cinematographer or "lighting cameraman" on The Magic Bow (1946). Asher's non-Hammer films included The Good Die Young (1954) and Reach for the Sky (1956). In 1964, he was nominated for a BAFTA for Best British Cinematography (Colour) for his work on The Scarlet Blade.