Harry Gregson-Williams (born 13 December 1961) is a British composer, orchestrator, conductor, and music producer. He has regularly written for television and films, such as The Chronicles of Narnia: The Lion, the Witch and the Wardrobe, X-Men Origins: Wolverine, The Martian, and the Shrek franchise.

Gregson-Williams has also composed music for several video games, having notably helped score every main entry in the Metal Gear series since Metal Gear Solid 2: Sons of Liberty. More: en.wikipedia.org.