O Óscar á mellor banda sonora é un dos premios entregados anualmente pola Academia das Artes e das Ciencias Cinematográficas á mellor creación musical feita especificamente para un filme.

Gañadores e nomeados A seguinte lista amosa os compositores e filmes nomeados organizados cronoloxicamente.

Nota: De 1934-1937, o xefe do departamento de música (e non o compositor) era o que recibía o nomeamento ou o premio. Nota: De 1937-1945, calquera estudio estaba garantido polo simple feito de presentar unha candidatura.

1930 1934 Música: One Night of Love – Columbia Studio Music Department, Louis Silvers, xefe do departamento (Música por Victor Schertzinger e Gus Kahn) The Gay Divorcee Max Steiner, xefe do departamento (Música de Kenneth Webb e Samuel Hoffenstein) A patrulla perdida – RKO Radio Studio Music Department, Max Steiner, xefe de departamento (Música de Max Steiner) 1935 Música: O delator – RKO Radio Studio Music Department, Max Steiner, xefe de departamento (Música de Max Steiner) Captain Blood – Warner Bros.-First National Studio Music Department, Leo F. Forbstein, xefe de departamento (Música de Erich Wolfgang Korngold) Mutiny on the Bounty – Metro-Goldwyn-Mayer Studio Music Department, Nat W. Finston, xefe de departamento (Música de Herbert Stothart) Peter Ibbetson – Paramount Studio Music Department, Irvin Talbot, xefe de departamento (Música de Ernst Toch) 1936 Música: Anthony Adverse – Warner Bros. Studio Music Department, Leo F. Forbstein, xefe de departamento (Música de Erich Wolfgang Korngold) A carga da brigada lixeira – Warner Bros. Studio Music Department, Leo F. Forbstein, xefe de departamento (Música de Max Steiner) The Garden of Allah – Selznick International Pictures Music Department, Max Steiner, xefe de departamento (Música de Max Steiner) The General Died at Dawn – Paramount Studio Music Department, Boris Morros, xefe de departamento (Música de Werner Janssen) Winterset – RKO Radio Studio Music Department, Nathaniel Shilkret, xefe de departamento (Música de Nathaniel Shilkret) 1937 Música: One Hundred Men and a Girl – Universal Studio Music Department, Charles Previn, xefe de departamento. The Hurricane – Samuel Goldwyn Studio Music Department, Alfred Newman, xefe de departamento (Música de Alfred Newman) In Old Chicago – 20th Century-Fox Studio Music Department, Louis Silvers, xefe de departamento (sen créditos do compositor) The Life of Emile Zola – Warner Bros. Studio Music Department, Leo F. Forbstein, xefe de departamento (Música de Max Steiner) Lost Horizon – Columbia Studio Music Department, Morris Stoloff, head of department (Score by Dimitri Tiomkin) Make a Wish – Principal Productions, Hugo Riesenfeld, director musical (Música de Hugo Riesenfeld) Maytime – Metro-Goldwyn-Mayer Studio Music Department, Nat W. Finston, xefe de departamento (Música de Herbert Stothart) Portia on Trial – Republic Studio Music Department, Alberto Colombo, xefe de departamento (Música de Alberto Colombo) The Prisoner of Zenda – Selznick International Pictures Music Department, Alfred Newman, director musical (Música de Alfred Newman) Quality Street – RKO Radio Studio Music Department, Roy Webb, director musical (Música de Roy Webb) Snow White and the Seven Dwarfs – Walt Disney Studio Music Department, Leigh Harline, xefe de departamento (Música de Frank Churchill, Leigh Harline e Paul J. Smith) Something to Sing About – Grand National Studio Music Department, C. Bakaleinikoff, director musical (Música de Victor Schertzinger) Souls at Sea – Paramount Studio Music Department, Boris Morros, head of department (Música de W. Franke Harling e Milan Roder) Way Out West – Hal Roach Studio Music Department, Marvin Hatley, xefe de departamento (Música de Marvin Hatley) 1938 Música orixinal: The Adventures of Robin Hood – Erich Wolfgang Korngold Army Girl – Victor Young Block-Heads – Marvin Hatley Blockade – Werner Janssen Breaking the Ice – Victor Young The Cowboy and the Lady – Alfred Newman If I Were King – Richard Hageman Marie Antoinette – Herbert Stothart Pacific Liner – Russell Bennett Suez – Louis Silvers The Young in Heart – Franz Waxman Música: Alexander's Ragtime Band – Alfred Newman Carefree – Victor Baravalle Girls' School – Morris Stoloff e Gregory Stone The Goldwyn Follies – Alfred Newman Jezebel – Max Steiner Mad About Music – Charles Previn e Frank Skinner Storm Over Bengal – Cy Feuer Sweethearts – Herbert Stothart There Goes My Heart – Marvin Hatley Tropic Holiday – Boris Morros The Young in Heart – Franz Waxman 1939 Música orixinal: The Wizard of Oz – Herbert Stothart Dark Victory – Max Steiner Eternally Yours – Werner Janssen Golden Boy – Victor Young Gone with the Wind – Max Steiner Gulliver's Travels – Victor Young The Man in the Iron Mask – Lud Gluskin, Lucien Moraweck Man of Conquest – Victor Young Mr. Smith Goes to Washington – Dimitri Tiomkin Nurse Edith Cavell – Anthony Collins Of Mice and Men – Aaron Copland The Rains Came – Alfred Newman Wuthering Heights – Alfred Newman The Hunchback of Notre Dame – Alfred Newman Música: A dilixencia – Richard Hageman, W. Franke Harling, John Leipold, Leo Shuken The Great Victor Herbert – Phil Boutelje e Arthur Lange Of Mice and Men – Aaron Copland Babes in Arms – Roger Edens e George E. Stoll She Married a Cop – Cy Feuer Intermezzo – Lou Forbes The Private Lives of Elizabeth and Essex – Erich Wolfgang Korngold The Hunchback of Notre Dame – Alfred Newman They Shall Have Music – Alfred Newman First Love – Charles Previn Swanee River – Louis Silvers Mr. Smith Goes to Washington – Dimitri Tiomkin Way Down South – Victor Young

1940 1940 Música orixinal: Pinocchio – Leigh Harline e Paul J. Smith, compositores; Ned Washington, letra Arizona – Victor Young The Dark Command – Victor Young The Fight for Life – Louis Gruenberg The Great Dictator – Meredith Willson The House of the Seven Gables – Frank Skinner The Howards of Virginia – Richard Hageman The Letter – Max Steiner The Long Voyage Home – Richard Hageman The Mark of Zorro – Alfred Newman My Favorite Wife – Roy Webb North West Mounted Police – Victor Young One Million B.C. – Werner Heymann Our Town – Aaron Copland Rebecca – Franz Waxman The Thief of Bagdad – Miklós Rózsa Waterloo Bridge – Herbert Stothart Música: Tin Pan Alley – Alfred Newman Arise, My Love – Victor Young Hit Parade of 1941 – Cy Feuer Irene – Anthony Collins Our Town – Aaron Copland The Sea Hawk – Erich Wolfgang Korngold Second Chorus – Artie Shaw Spring Parade – Charles Previn Strike Up the Band – Roger Edens, Georgie Stoll 1941 Música orixinal drama): All That Money Can Buy – Bernard Herrmann Back Street – Frank Skinner Bóla de fogo – Alfred Newman Cheers for Miss Bishop – Edward Ward Cidadán Kane – Bernard Herrmann Dr. Jekyll and Mr. Hyde – Franz Waxman Hold Back the Dawn – Victor Young How Green Was My Valley – Alfred Newman King of the Zombies – Edward J. Kay Ladies in Retirement – Morris Stoloff, Ernst Toch The Little Foxes – Meredith Willson Lydia – Miklós Rózsa Mercy Island – Cy Feuer, Walter Scharf Sergeant York – Max Steiner So Ends Our Night – Louis Gruenberg Sundown – Miklós Rózsa Sospeita – Franz Waxman Tanks a Million – Edward Ward That Uncertain Feeling – Werner Heymann This Woman Is Mine – Richard Hageman Música de filme musical: Dumbo – Frank Churchill, Oliver Wallace All-American Co-Ed – Edward Ward Birth of the Blues – Robert Emmett Dolan Buck Privates – Charles Previn The Chocolate Soldier – Herbert Stothart, Bronislau Kaper Ice-Capades – Cy Feuer The Strawberry Blonde – Heinz Roemheld Sun Valley Serenade – Emil Newman Sunny – Anthony Collins You'll Never Get Rich – Morris Stoloff 1942 Música orixinal de drama ou comedia: Now, Voyager – Max Steiner Arabian Nights – Frank Skinner Bambi – Frank Churchill (póstumo), Edward Plumb The Black Swan – Alfred Newman The Corsican Brothers – Dimitri Tiomkin Flying Tigers – Victor Young The Gold Rush – Max Terr I Married a Witch – Roy Webb Joan of Paris – Roy Webb Jungle Book – Miklós Rózsa Klondike Fury – Edward J. Kay The Pride of the Yankees – Leigh Harline Random Harvest – Herbert Stothart The Shanghai Gesture – Richard Hageman Silver Queen – Victor Young Take a Letter, Darling – Victor Young The Talk of the Town – Friedrich Hollaender, Morris Stoloff To Be or Not to Be – Werner Heymann Música de filme musical: Yankee Doodle Dandy – Ray Heindorf, Heinz Roemheld Flying with Music – Edward Ward For Me and My Gal – Roger Edens, Georgie Stoll Holiday Inn – Robert Emmett Dolan It Started with Eve – Hans Salter, Charles Previn Johnny Doughboy – Walter Scharf My Gal Sal – Alfred Newman You Were Never Lovelier – Leigh Harline 1943 Música de drama ou comedia: The Song of Bernadette – Alfred Newman The Amazing Mrs. Holliday – Frank Skinner, Hans J. Salter Casablanca – Max Steiner Commandos Strike at Dawn – Morris Stoloff, Louis Gruenberg The Fallen Sparrow – Roy Webb, C. Bakaleinikoff For Whom the Bell Tolls – Victor Young Hangmen Also Die – Hanns Eisler Hi Diddle Diddle – Phil Boutelje In Old Oklahoma – Walter Scharf Johnny Come Lately – Leigh Harline The Kansan – Gerard Carbonara Lady of Burlesque – Arthur Lange Madame Curie – Herbert Stothart The Moon and Sixpence – Dimitri Tiomkin The North Star – Aaron Copland Victory Through Air Power – Edward H. Plumb, Paul Smith, Oliver Wallace Música de filme musical: This Is the Army – Ray Heindorf Coney Island – Alfred Newman Hit Parade of 1943 – Walter Scharf Phantom of the Opera – Edward Ward Saludos Amigos – Charles Wolcott, Edward H. Plumb, Paul J. Smith The Sky's the Limit – Leigh Harline Something to Shout About – Morris Stoloff Stage Door Canteen – Frederic E. Rich Star Spangled Rhythm – Robert Emmett Dolan Thousands Cheer – Herbert Stothart 1944 Música de drama ou comedia: Since You Went Away – Max Steiner Address Unknown – Morris Stoloff, Ernst Toch The Adventures of Mark Twain – Max Steiner The Bridge of San Luis Rey – Dimitri Tiomkin Casanova Brown – Arthur Lange Christmas Holiday – H. J. Salter Double Indemnity – Miklós Rózsa The Fighting Seabees – Walter Scharf, Roy Webb The Hairy Ape – Edward Paul, Michel Michelet It Happened Tomorrow – Robert Stolz Jack London – Frederic Efrem Rich Kismet – Herbert Stothart None but the Lonely Heart – Hanns Eisler, C. Bakaleinikoff The Princess and the Pirate – David Rose Summer Storm – Karl Hajos Three Russian Girls – Franke Harling Up in Mabel's Room – Edward Paul Voice in the Wind – Michel Michelet Wilson – Alfred Newman The Woman of the Town – Miklós Rózsa Música de filme musical: Cover Girl – Morris Stoloff, Carmen Dragon Brazil – Walter Scharf Higher and Higher – C. Bakaleinikoff Hollywood Canteen – Ray Heindorf Irish Eyes Are Smiling – Alfred Newman Knickerbocker Holiday – Werner R. Heymann, Kurt Weill Lady in the Dark – Robert Emmett Dolan Lady, Let's Dance – Edward J. Kay Meet Me in St. Louis – Georgie Stoll The Merry Monahans – H. J. Salter Minstrel Man – Ferde Grofe, Leo Erdody Sensations of 1945 – Mahlon Merrick Song of the Open Road – Charles Previn Up in Arms – Ray Heindorf, Louis Forbes 1945 Música de drama ou musical: Spellbound – Miklós Rózsa The Bells of St. Mary's – Robert Emmett Dolan Brewster's Millions – Lou Forbes O capitán Kidd – Werner Janssen The Enchanted Cottage – Roy Webb Flame of Barbary Coast – Morton Scott, R. Dale Butts G. I. Honeymoon – Edward J. Kay The Story of G.I. Joe – Louis Applebaum, Ann Ronell Guest in the House – Werner Janssen Guest Wife – Daniele Amfitheatrof The Keys of the Kingdom – Alfred Newman A fin de semana perdida – Miklós Rózsa Love Letters – Victor Young The Man Who Walked Alone – Karl Hajos Objective, Burma! – Franz Waxman Paris Underground – Alexandre Tansman A Song to Remember – Miklós Rózsa, Morris Stoloff The Southerner – Werner Janssen