Katharine Juliet Ross (born January 29, 1940) is an American film and stage actress. She starred as Elaine Robinson in The Graduate (1967), earning an Academy Award nomination for Best Supporting Actress, and as Etta Place in Butch Cassidy and the Sundance Kid (1969), winning a BAFTA Award for Best Actress. She also appeared in The Stepford Wives (1975).
Ross won a Golden Globe for Voyage of the Damned (1976) and appeared in the 1967 TV episode "The Bonnie Brooks Story" of Wagon Train.
United States