The Brig is a play written by former U.S. Marine Kenneth H. Brown (born 1936). It was first performed in New York by The Living Theatre on May 13, 1963, with a production filmed in 1964 by Jonas Mekas. It was revived in New York in 2007.The Brig received three Obie Awards in 1964: for Best Production (play), Best Design (Julian Beck) and Best Direction (Judith Malina). The 2007 revival received an Obie Special Citation for its ensemble and director Judith Malina.
The play depicts a typical day in a U.S. Marine Corps military prison called the brig. Brown spent thirty days in such a brig for being Absent Without Leave while serving with the Third Marines at Camp Fuji, Japan, in the 1950s.