Oscar for beste originalmusikk (på engelsk Academy Award for Original Music Score) er en Oscarpris som blir tildelt den komponist med best filmmusikk året før. Komponister med flere nominasjoner
9: Alfred Newman (43) 5: John Williams (44) 4: Johnny Green (12) 4: André Previn (11) 4: John Barry (6) 4: Alan Menken (5) 3: Max Steiner (24) 3: Ray Heindorf (17) 3: Morris Stoloff (17) 3: Miklós Rózsa (16) 3: Dimitri Tiomkin (14) 3: Maurice Jarre (8) 3: Ken Darby (6) 3: Roger Edens (6) 3: Saul Chaplin (5) 3: Adolph Deutsch (5) 2: Franz Waxman (11) 2: Henry Mancini (7)
2: Lennie Hayton (6) 2: Michel Legrand (6) 2: Irwin Kostal (5) 2: Marvin Hamlisch (4) 2: Leonard Rosenman (4) 2: Ralph Burns (3) 2: Howard Shore (3) 2: Gustavo Santaolalla (2) 1: Jerry Goldsmith (17) 1: Victor Young (17) 1: Herbert Stothart (11) 1: Elmer Bernstein (10) 1: Hugo Friedhofer (9) 1: Lionel Newman (9) 1: Georgie Stoll (9) 1: Hans Zimmer (9) 1: James Horner (8) 1: Leigh Harline (7)
1: Charles Previn (7) 1: Paul J. Smith (7) 1: Dave Grusin (6) 1: Leslie Bricusse (5) 1: Georges Delerue (5) 1: Richard Hageman (5) 1: Bernard Herrmann (5) 1: Nelson Riddle (5) 1: Oliver Wallace (5) 1: Aaron Copland (4) 1: Leo F. Forbstein (4) 1: Richard M. Sherman (4) 1: Robert B. Sherman (4) 1: Louis Silvers (4) 1: Frank Churchill (3) 1: Ernest Gold (3) 1: Elliot Goldenthal (3)
1: Erich Wolfgang Korngold (3) 1: Bronislau Kaper (3) 1: Dario Marianelli (3) 1: Rachel Portman (3) 1: Stephen Schwartz (3) 1: Harry Sukman (3) 1: Gabriel Yared (3) 1: John Addison (2) 1: Luis Enríquez Bacalov (2) 1: Robert Russell Bennett (2) 1: Jay Blackton (2) 1: John Corigliano (2) 1: Michael Giacchino (2) 1: Michael Gore (2) 1: W. Franke Harling (2) 1: A. R. Rahman (2) 1: Heinz Roemheld (2) 1: Leo Shuken (2)
Liste 2000-tallet 2000 Crouching Tiger, Hidden Dragon – Tan Dun Chocolat - Rachel Portman Gladiator - Hans Zimmer Malèna - Ennio Morricone Patrioten - John Williams
2001 Ringenes Herre: Ringens brorskap – Howard Shore A.I. - Artificiell Intelligens - John Williams A Beautiful Mind - James Horner Harry Potter og de vises stein - John Williams Monsterbedriften - Randy Newman
2002 Frida – Elliot Goldenthal Catch Me If You Can - John Williams Far from Heaven - Elmer Bernstein The Hours - Philip Glass Road to Perdition - Thomas Newman
2003 Ringenes herre: Atter en konge – Howard Shore Big Fish - Danny Elfman Cold Mountain - Gabriel Yared Oppdrag Nemo - Thomas Newman House of Sand and Fog - James Horner
2004 Finding Neverland – Jan A. P. Kaczmarek Harry Potter og fangen fra Azkaban - John Williams En serie uheldige hendelser - Thomas Newman The Passion of the Christ - John Debney The Village - James Newton Howard 8 Mile-Eminem 2005 Brokeback Mountain – Gustavo Santaolalla Geisha - John Williams The Constant Gardener - Alberto Iglesias Stolthet og fordom - Dario Marianelli München - John Williams
2006 Babel – Gustavo Santaolalla The Good German - Thomas Newman Notes on a Scandal - Philip Glass Pans labyrint - Javier Navarrete The Queen - Alexandre Desplat
2007 Om forlatelse – Dario Marianelli Drageløperen - Alberto Iglesias Michael Clayton - James Newton Howard Rottatouille - Michael Giacchino 3:10 to Yuma - Marco Beltrami
2008 Slumdog Millionaire – A. R. Rahman Den fantastiske historien om Benjamin Button - Alexandre Desplat Defiance - James Newton Howard WALL-E - Thomas Newman Milk - Danny Elfman
2009 Se opp – Michael Giacchino Avatar - James Horner Den fantastiske Mikkel Rev - Alexandre Desplat The Hurt Locker - Marco Beltrami och Buck Sanders Sherlock Holmes - Hans Zimmer
2010-tallet 2010 The Social Network – Trent Reznor, Atticus Ross 127 timer - A.R. Rahman Dragetreneren - John Powell Inception - Hans Zimmer Kongens tale - Alexandre Desplat
2011 The Artist – Ludovic Bource På eventyr med Tintin: Enhjørningens hemmelighet – John Williams Hugo Cabret – Howard Shore Muldvarpen – Alberto Iglesias War Horse – John Williams
2012 Historien om Pi – Mychael Danna Anna Karenina – Dario Marianelli Operasjon Argo – Alexandre Desplat Lincoln – John Williams Skyfall – Thomas Newman
2013 Gravity – Steven Price Boktyven – John Williams Her – William Butler and Owen Pallett Philomena – Alexandre Desplat Saving Mr. Banks – Thomas Newman
Originalmusikk