Mathieu Amalric (born 25 October 1965) is a three-time César Award winning French actor and film director, perhaps best known in America for his lead role in the four-time Academy Award nominated 2007 film The Diving Bell and the Butterfly. He also has won the Étoile d'or and the Lumiere Award. He is widely seen as one of France's greatest living actors.

Amalric was born in Neuilly-sur-Seine, a suburb of Paris, France, the son of journalists Nicole Zand, a literary critic for Le Monde, and Jacques Amalric, who has worked as a foreign affairs editor for Le Monde and Libération. Mathieu Amalric's mother was born in Poland to Jewish parents, and moved to France before World War II; she originates from the same village as director Roman Polanski's family. Amalric first gained fame in the film Ma Vie Sexuelle (My Sex Life...or How I Got Into an Argument), for which he won a César Award.

Amalric was selected to play the newest Bond villain Dominic Greene, and stars alongside Daniel Craig in the 2008 film Quantum of Solace, the sequel to the 2006 film Casino Royale. The villain Greene is plotting to take control of Bolivia's water supply through the Quantum Organization, and intending to stage a fake coup d'etat. Amalric and Craig also appear in Steven Spielberg's 2005 film, Munich, though they do not share any scenes.