Paul Zastupnevich (December 24, 1921 – May 9, 1997) was an American costume designer and assistant to movie producer and director Irwin Allen, active in film from 1959 to 1980. He was nominated for the Academy Award for Best Costume Design for three films produced by Allen: The Poseidon Adventure (1972), The Swarm (1978) and When Time Ran Out (1980).