Alvin Epstein (May 14, 1925 – December 10, 2018) was an American actor and director. He was a founding member of both the American Repertory Theater and Yale Repertory Theatre.

He was particularly admired for his performances in the plays of Samuel Beckett. He also served as Artistic Director at the Guthrie Theater. Born in the Bronx, Epstein was the son of Harry Epstein, a physician, and his wife Goldie Epstein (née Rudnick).