List of awards and nominations received by Casey Affleck

Casey Affleck is an American actor and director who has received numerous accolades throughout his career.

Affleck's breakthrough came in 2007, when he starred as the American outlaw Robert Ford in the Western drama The Assassination of Jesse James by the Coward Robert Ford, for which he received nominations for Best Supporting Actor at the Academy Awards, Golden Globe Awards, and Screen Actors Guild Awards. In the same year, he also had a leading role in his brother Ben Affleck's directorial debut Gone Baby Gone, that earned him a nomination for the Critics' Choice Movie Award for Best Acting Ensemble.

Affleck received universal acclaim for his portrayal of Lee Chandler, a grief-stricken alcoholic loner, in Kenneth Lonergan's drama film Manchester by the Sea (2016). His performance won him the Academy Award for Best Actor, as well as the corresponding prize at the British Academy Film Awards (BAFTA), Critics' Choice Movie Awards, and Golden Globe Awards. He won his first Screen Actors Guild Award as part of the ensemble of Christopher Nolan's epic thriller Oppenheimer (2023).

Affleck has also directed the mockumentary I'm Still Here (2010) starring Joaquin Phoenix and the drama film Light of My Life (2019), the former of which was honored at the Venice Film Festival.