List of Film Score Composers - O

O

• Karen O (b. 1978) — Where the Wild Things Are, Jackass Number Two
• Richard O'Brien (b.1942) — Shock Treatment
• Martin O'Donnell (b. 1955) — Halo, Myth, Oni
• Tom O'Horgan
• Walter O'Keefe
• Sharon O'Neill
• Paul Oakenfold (b. 1963) — Swordfish, Appleseed, Vexille, Nobel Son
• Erkan Oğur (b. 1954) — The Bandit, Toss-Up
• Hisayoshi Ogura
• Mike Oldfield
• Orbital (formed 1989) — Event Horizon, Octane, Pusher
• Norman Orenstein — American Psycho 2, Diary of the Dead, Cube 2: Hypercube
• Shinji Orito
• Buxton Orr
• Riz Ortolani (b. 1931) — Cannibal Holocaust, Africa Addio, Mondo cane
• Michiru Oshima (b. 1961) — Ico, Legend of Legaia, Arc the Lad, Fullmetal Alchemist
• Osibisa (formed 1969) — Superfly T.N.T.
• Kow Otani (b. 1957) — Gamera: Guardian of the Universe, Shadow of the Colossus, Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack
• Alex Otterlei — Xyanide, Totems
• John Ottman (b.1964) — The Usual Suspects, Fantastic Four, Snow White: A Tale of Terror, I Have No Mouth, and I Must Scream, X2
• Vyacheslav Ovchinnikov (b.1936) — Ivan's Childhood, Andrei Rublev, War and Peace
• Mark Ovenden — Yolngu Boy
• Reg Owen (1921 - 1978) — Very Important Person, Payroll
• Atilla Özdemiroğlu (b. 1943) — Night Journey, Akrebin Yolculuğu