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.