Gérard Xavier Marcel Depardieu (UK: , US: , French: [ʒeʁaʁ ɡzavje maʁsɛl dəpaʁdjø] ; born 27 December 1948) is a French actor, known to be one of the most prolific in film history. Icon of French cinema, a world star in the same way as Alain Delon or Brigitte Bardot, he has completed over 250 films since 1967, almost exclusively as a lead. Depardieu has worked with over 150 film directors whose most notable collaborations include Jean-Luc Godard, François Truffaut, Maurice Pialat, Alain Resnais, Claude Chabrol, Ridley Scott, and Bernardo Bertolucci. He is the second highest-grossing actor in the history of French cinema behind Louis de Funès. As of January 2022, his body of work also includes countless television productions, 18 stage plays, 16 records and 9 books. He is known for having portrayed numerous leading historical and fictitious figures of the Western world including Georges Danton, Joseph Stalin, Honoré de Balzac, Alexandre Dumas, Auguste Rodin, Cyrano de Bergerac, Jean Valjean, Edmond Dantès, Christopher Columbus, Obélix, and Dominique Strauss-Kahn.

Depardieu is a Chevalier of the Légion d'honneur and Chevalier of the Ordre national du Mérite. He was granted citizenship of Russia in January 2013 (officially adopted name in Russian: Жерар Ксавие Депардьё, romanized: Zherar Ksavie Depardyo), and became a cultural ambassador of Montenegro during the same month. Depardieu has received acclaim for his performances in The Last Metro (1980), for which he won the César Award for Best Actor, in Police (1985), for which he won the Volpi Cup for Best Actor, Jean de Florette (1986), and Cyrano de Bergerac (1990), for which he won the Best Actor award at the Cannes Film Festival and his second César Award for Best Actor as well as garnering a nomination for the Academy Award for Best Actor. He co-starred in Peter Weir's comedy Green Card (1990), winning a Golden Globe Award, and later acted in many big-budget Hollywood films, including Ridley Scott's 1492: Conquest of Paradise (1992), Kenneth Branagh's Hamlet (1996), Randall Wallace's The Man in the Iron Mask (1998), and Ang Lee's Life of Pi (2012).

Depardieu has been repeatedly accused of sexual assault. The French authorities have charged him with rape and, since 2021, have had him under formal investigation. Depardieu has denied any wrongdoing and has not been convicted in connection with any of the accusations against him. He was stripped of the National Order of Quebec in 2023.