G
- Peter Gabriel (b. 1950) — Birdy, The Last Temptation of Christ, Rabbit-Proof Fence
- Serge Gainsbourg
- Vincent Gallo
- Martin Galway
- Douglas Gamley
- Gara Garayev
- Anja Garbarek
- Jan Garbarek
- Antón García Abril (b. 1933) — Tombs of the Blind Dead, Los santos inocentes
- Russell Garcia
- Ruy Garcia
- Dan Gardopée
- Snuff Garrett
- Mort Garson
- Georges Garvarentz
- Giorgio Gaslini (b. 1929) — La Notte, Deep Red
- Tony Gatlif (b. 1948) — Vengo, Transylvania, Gadjo dilo
- Mohammed Gauss
- Marvin Gaye (1939–1984) — Trouble Man
- Ron Geesin
- Grant Geissman
- Lisa Gerrard
- Matthew Gerrard
- George Gershwin
- Irving Gertz
- Ghantasala
- Michael Giacchino
- Michael Gibbs
- Richard Gibbs
- Herschel Burke Gilbert
- Gary Gilbertson
- Alan Gill
- Terry Gilkyson
- Daniel Giorgetti
- Paul Giovanni (1933–1990) — The Wicker Man
- Girls Against Boys (formed 1988) — Series 7: The Contenders
- Lutz Glandien
- Scott Glasgow
- Philip Glass (b. 1937) — Koyaanisqatsi, The Hours, Candyman, Powaqqatsi
- Paul Glass
- Patrick Gleeson
- Evelyn Glennie
- Nick Glennie-Smith
- Goblin
- Erik Godal
- Vladimír Godár
- Godiego (formed 1976) — Monkey, Ganbaron, Galaxy Express 999
- Lucio Godoy
- Ramana Gogula
- Matthias Gohl
- Ernest Gold
- Jeffrey Gold
- Murray Gold
- Billy Goldenberg
- Elliot Goldenthal (b. 1954) — Interview with the Vampire: The Vampire Chronicles, Alien 3, Frida, Heat, Final Fantasy: The Spirits Within
- Alison Goldfrapp (b. 1966) — My Summer of Love, Nowhere Boy
- Jean-Jacques Goldman
- Jerry Goldsmith (1929–2004) — Planet of the Apes, Patton, The Omen, Alien, Star Trek: The Motion Picture, Total Recall, Basic Instinct
- Joel Goldsmith
- Jonathan Goldstein
- Osvaldo Golijov (b. 1960) — Youth Without Youth, Tetro, 11'09"01 September 11
- Benny Golson
- Alejandro González Iñárritu
- Miles Goodman
- Ron Goodwin
- Alain Goraguer
- Michael Gordon
- Michael Gore
- Adam Gorgoni
- Manami Gotoh
- Louis F. Gottschalk
- Morton Gould
- Patrick Gowers
- Paul Grabowsky
- Ron Grainer
- Jason Graves
- Allan Gray
- Barry Gray
- Clifford Grey
- Gavin Greenaway
- Johnny Green
- Theo Green
- Walter Greene
- Jonny Greenwood (b. 1971) — Bodysong, There Will Be Blood, Norwegian Wood
- Gustaf Grefberg
- Will Gregory (b. 1959) — My Summer of Love, Nowhere Boy
- Harry Gregson-Williams
- Rupert Gregson-Williams
- Mark Griskey
- Raymond van het Groenewoud
- Launy Grøndahl
- Herbert Grönemeyer
- Charles Gross
- Jacob Groth
- Louis Gruenberg (1884–1964) — Quicksand, Commandos Strike at Dawn, All the King's Men
- Dave Grusin
- Sofia Gubaidulina
- Jean-Pierre Guiran
- Fuat Güner
- Christopher Gunning
- Gurukiran
- Olof Gustafsson
- Sven Gyldmark
Read more about this topic: List Of Film Score Composers