Rupert Gregson-Williams (born 1966, England) is an award winning British film score composer. Educated at St John's College, Cambridge choir school and Lancing College, he is the brother of multi-nominated and awarded film composer Harry Gregson-Williams and former member of Hans Zimmer's Remote Control Productions team of composers.

His filmography includes Hotel Rwanda, for which he was awarded the European Film composer award, Over the Hedge, Bee Movie, Zookeeper, Made of Honor, Bedtime Stories and many others. He has a long term partnership with Adam Sandler, and composes for all his movies.