Mandel Bruce "Mandy" Patinkin (; born November 30, 1952) is an American actor and singer.

Patinkin is well known for his portrayal of Inigo Montoya in the 1987 movie The Princess Bride. His other film credits include Yentl (1983), Alien Nation (1988), Dick Tracy (1990), and Wish I Was Here (2014). He has appeared in major roles in television series such as Chicago Hope, Dead Like Me, and Criminal Minds, and currently plays Saul Berenson in the Showtime series Homeland.

He is a noted interpreter of the musical works of Stephen Sondheim and is known for his work in musical theater, originating iconic roles such as Georges Seurat in Sunday in the Park with George and Ché in the original Broadway production of Evita.