Robert Farrelly (born June 17, 1958) is an American film director, screenwriter and producer. He is one of the Farrelly brothers, alongside his brother Peter, who together are known for directing and producing successful box-office comedy films, including Dumb and Dumber (1994), There's Something About Mary (1998), Me, Myself and Irene (2000), Shallow Hal (2001), and the 2007 remake of The Heartbreak Kid. He made his solo directorial debut in 2023 with Champions.

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