Red Sun is a 1971 Franco-Italian international co-production Spaghetti Western film directed by Terence Young and starring Charles Bronson, Toshirō Mifune, Alain Delon, Ursula Andress, and Capucine. It was filmed in Spain by the British director Young, with a screenplay by Denne Bart Petitclerc, William Roberts, and Lawrence Roman from a story by Laird Koenig. The film was released in the United States on 9 June 1972.

Stewart Terence Herbert Young was a British film director and screenwriter who worked in the United Kingdom, Europe and Hollywood. He is best known for directing three James Bond films: the first two films in the series, Dr. No (1962) and From Russia with Love (1963), and Thunderball (1965). His other films include the Audrey Hepburn thrillers Wait Until Dark (1967) and Bloodline (1979), the historical drama Mayerling (1968), the infamous Korean War epic Inchon (1981), and the Charles Bronson films Cold Sweat (1970), Red Sun (1971), and The Valachi Papers (1972).