Robin McLaurin Williams (born July 21, 1951) is an American comedian and actor.

Rising to fame with his role as the alien Mork in the TV series Mork and Mindy, and later stand up comedy work, Williams has performed in many feature films since 1980. He won the Academy Award for Best Supporting Actor for his performance in the 1997 film Good Will Hunting. He has also won six Golden Globes, two Screen Actors Guild Awards and three Grammy Awards.

Williams was born in Chicago, Illinois. His mother, Laura McLaurin (née Smith, 1922–2001), was a former model from Jackson, Mississippi. His father, Robert Fitzgerald Williams (September 10, 1906–October 18, 1987) was a senior executive at Lincoln-Mercury Motorship in charge of the Midwest area. Williams was raised in the Episcopal Church, though his mother practiced Christian Science, and he grew up in Bloomfield Hills, Michigan where he was a student at the Detroit Country Day School, and Marin County, California where he attended the public Redwood High School. He has one half-brother, McLaurin, as well as a deceased half-brother, Todd, who died August 14, 2007.