Plaza Suite is a 1971 American comedy film directed by Arthur Hiller. The screenplay by Neil Simon is based on his 1968 play of the same title. The film stars Walter Matthau, Maureen Stapleton, Barbara Harris and Lee Grant.

Arthur Hiller, was a Canadian television and film director with over 33 films to his credit during a 50-year career. He began his career directing television in Canada and later in the U.S. By the late 1950s he began directing films, most often comedies. He also directed dramas and romantic subjects, such as Love Story (1970), which was nominated for seven Oscars.