The 33rd Cannes Film Festival was held between 9 and 23 May 1980. The Palme d'Or went to the All That Jazz by Bob Fosse and Kagemusha by Akira Kurosawa.

The Palme d'Or is the highest prize awarded at the Cannes Film Festival. It was introduced in 1955 by the festival's organizing committee. Previously, from 1939 to 1954, the festival's highest prize was the Grand Prix du Festival International du Film. In 1964, the Palme d'Or was replaced again by the Grand Prix, before being reintroduced in 1975.