O Lucky Man! is a 1973 British comedy-drama fantasy film directed by Lindsay Anderson, and starring Malcolm McDowell as Mick Travis, whom McDowell had first played as a disaffected public schoolboy in his first film performance in Anderson's if.... (1968). The film was entered into the 1973 Cannes Film Festival.

The 26th Cannes Film Festival was held from 10 to 25 May 1973. The Grand Prix du Festival International du Film went to Scarecrow by Jerry Schatzberg and The Hireling by Alan Bridges. At this festival two new non-competitive sections were added: 'Étude et documents' and 'Perspectives du Cinéma Français'.