Robert Reiner (/ˈraɪnər/; March 6, 1947 – December 14, 2025) was an American filmmaker and actor. He directed a series of acclaimed studio films in a career that spanned comedy, drama, romance, and documentary. Reiner received numerous accolades, including winning two Primetime Emmy Awards and a Hugo Award, as well as nominations for an Academy Award, a BAFTA Award, and nine Golden Globe Awards. He was honored with a star on the Hollywood Walk of Fame in 1999 and received the Chaplin Gala Tribute at the Film at Lincoln Center in 2014. Three of his films have been inducted into the National Film Registry.

Reiner was born in New York City to Estelle and Carl Reiner, who were themselves actors. Reiner began his career as an actor before transitioning to filmmaking. He rose to prominence with his portrayal of Michael "Meathead" Stivic on the CBS television sitcom All in the Family (1971–1979), a role that earned him two Primetime Emmy Awards for Outstanding Supporting Actor in a Comedy Series.