Fat Pig is a play by Neil LaBute. The play premiered Off-Broadway in 2004 and won the 2005 Outer Critics Circle Award for Outstanding Off-Broadway Play. The play had its London premiere in 2008 and was nominated for Laurence Olivier Award for Best New Comedy. The play involves a romantic relationship between a plus-size woman and a young professional man whose friend denigrates the woman as being "fat". The play was also adapted into an opera in 2022 by composer Matt Boehler.

Neil N. LaBute is an American playwright, film director, and screenwriter. He is best known for a play that he wrote and later adapted for film, In the Company of Men (1997), which won awards from the Sundance Film Festival, the Independent Spirit Awards, and the New York Film Critics Circle. He wrote and directed the films Your Friends & Neighbors (1998), Possession (2002), The Shape of Things (2003), The Wicker Man (2006), Some Velvet Morning (2013), and Dirty Weekend (2015). He directed the films Nurse Betty (2000), Lakeview Terrace (2008), and the American adaptation of Death at a Funeral (2010). LaBute created the TV series Billy & Billie, writing and directing all of the episodes. He is also the creator of the TV series Van Helsing. Recently, he executive produced, co-directed and co-wrote Netflix's The I-Land. He also directed several episodes for shows such as Hell on Wheels and Billions.