Rupert Gregson-Williams (* 1966 in England) ist ein britischer Filmkomponist. Er ist der Bruder des Filmkomponisten und Dirigenten Harry Gregson-Williams. ()
Rupert Gregson-Williams is a British composer of motion picture and television scores. Educated at St John's College, Cambridge, choir school and Lancing College, he is the brother of film composer Harry Gregson-Williams and he is a member of Hans Zimmer's Remote Control Productions team of composers.