The 18th Cannes Film Festival was held from 3 to 16 May 1965. Olivia de Havilland became the first woman president of the jury. The Grand Prix du Festival International du Film went to The Knack ...and How to Get It by Richard Lester. The festival opened with The Collector, directed by William Wyler and closed with Tōkyō Orinpikku, directed by Kon Ichikawa.

Jury

The following people were appointed as the Jury of the 1965 film competition: Feature films Short films

Official selection

In competition – Feature film

The following feature films competed for the Grand Prix International du Festival:

Films out of competition

The following films were selected to be screened out of competition:

Short film competition

The following short films competed for the Short Film Palme d'Or:

Parallel section

International Critics' Week

The following feature films were screened for the 4th International Critics' Week (4e Semaine de la Critique):

Awards

Official awards

The following films and people received the 1965 Official selection awards: Short films

Independent awards

FIPRESCI Commission Supérieure Technique OCIC Award Best Film for the Youth

Media