Paddy Chayefsky (* 29. Januar 1923 in New York; † 1. August 1981 ebenda) war ein US-amerikanischer Autor und Komponist. ()
Sidney Aaron "Paddy" Chayefsky was an American playwright, screenwriter, and novelist. He is the only person to have won three solo Academy Awards for Best Screenplay for "Marty" (1955), "The Hospital" (1971), and "Network" (1976). He is the only person to have won both the Academy Awards for adapted and original screenplays. He was one of the most renowned dramatists of the Golden Age of Television. His intimate, realistic scripts provided a naturalistic style of television drama for the 1950s, dramatizing the lives of ordinary Americans.