Peter Farrelly is an American filmmaker, director, screenwriter, producer, and novelist. He worked for many years with his brother, Bobby Farrelly, to write, direct, and produce comedies. These include There’s Something About Mary, Dumb and Dumber, Shallow Hal, Kingpin, Stuck on You, Fever Pitch and others. Farrelly co-wrote and directed Green Book in 2018. He received two Oscars at the 91st Academy Awards, for Best Original Screenplay and Best Picture. He also won two Golden Globes for Green Book—for Best Screenplay and Best Picture.

In addition to his film work, Farrelly is a published novelist. He wrote the novels Outside Providence and The Comedy Writer and the children’s book Abigail the Happy Whale.

Farrelly is a long-time supporter of disability rights.