Richard Samuel Benjamin (born May 22, 1938) is an American actor and film director. He has starred in a number of well-known films, including Goodbye, Columbus (1969), based on the novella by Philip Roth; Catch-22 (1970), from the Joseph Heller best-seller; Westworld (1973), a science-fiction thriller by Michael Crichton; and The Sunshine Boys (1975), written by Neil Simon, for which he won the Golden Globe Award for Best Supporting Actor. He was nominated for an Emmy Award for Best Actor in a Comedy Series for his work on He & She (1968), opposite his wife Paula Prentiss.

After directing for television, his first film as a director was the 1982 comedy My Favorite Year, starring Peter O'Toole, who was nominated for an Oscar for Best Actor for the role. His other films as a director include City Heat (1984) starring Burt Reynolds and Clint Eastwood, The Money Pit (1986) starring Tom Hanks and Shelley Long, My Stepmother Is an Alien (1988) starring Dan Aykroyd and Kim Basinger, Mermaids (1990) starring Cher and Winona Ryder, Made in America (1993) starring Whoopi Goldberg and Ted Danson, Milk Money (1994) starring Melanie Griffith and Ed Harris, Mrs. Winterbourne (1996) starring Ricki Lake and Brendan Fraser, and Marci X (2003) starring Lisa Kudrow and Damon Wayans.