Peter Stephen Paul Brook CH CBE (born 21 March 1925) is a highly influential British theatrical producer and director.

During the 1950s he worked on many productions in Britain, Europe, and the USA, and in 1962 returned to Stratford-upon-Avon to join the newly established Royal Shakespeare Company (RSC). Throughout the next the 1960's he directed many ground breaking productions for the RSC before in 1970 forming The International Centre for Theatre Research in Paris.