Elroy Schwartz (June 23, 1923 – June 14, 2013) was an American comedy and television writer.
Schwartz wrote for some of the best known comedians of the era, including Lucille Ball, Groucho Marx, and Bob Hope. Schwartz was also one of the head writers for Gilligan's Island, a CBS sitcom which was created by his late brother, Sherwood Schwartz.
Schwartz was born in Passaic, New Jersey, on June 23, 1923. His brothers included Al Schwartz and Sherwood Schwartz. He moved to the Bronx with his family, where he attended school. He attended New York University and enlisted in the United States Air Force as an NYU student. He spent two years in the Air Force before moving to Los Angeles with his family. He wrote for radio in California and then moved back to New York City. He wrote for game shows in New York during the 1950s before returning to Los Angeles.
Schwartz screenwriting credits included numerous television sitcoms, game shows, and dramas. He wrote scripts and other material for You Bet Your Life, a quiz show hosted by Groucho Marx, as well as The $64,000 Question during the 1950s. His work on television dramas included The Six Million Dollar Man and It Takes a Thief during the late 1960s and 1970s.