The 1945 Academy Awards were presented March 7, 1946 at Grauman's Chinese Theatre, Hollywood, Calif.
| Best Motion Picture | Anchors Aweigh (MGM) |
| The Bells of St. Mary's (Rainbow Productions; RKO Radio) |
| The Lost Weekend (Paramount) |
| Mildred Pierce (Warner Bros.) |
| Spellbound (Selznick International Pictures; United Artists) |
| Best Actor | Bing Crosby, The Bells of St. Mary's |
| Gene Kelly, Anchors Aweigh |
| Ray Milland, The Lost Weekend |
| Gregory Peck, The Keys of the Kingdom |
| Cornel Wilde, A Song to Remember |
| Best Actress | Ingrid Bergman, The Bells of St. Mary's |
| Joan Crawford, Mildred Pierce |
| Greer Garson, The Valley of Decision |
| Jennifer Jones, Love Letters |
| Gene Tierney, Leave Her to Heaven |
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 Joan Crawford, Mildred Pierce Archive Photos |
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| Actor in a Supporting Role | Michael Chekhov, Spellbound |
| John Dall, The Corn Is Green |
| James Dunn, A Tree Grows in Brooklyn |
| Robert Mitchum, G. I. Joe |
| J. Carrol Naish, A Medal for Benny |
| Actress in a Supporting Role | Eve Arden, Mildred Pierce |
| Ann Blyth, Mildred Pierce |
| Angela Lansbury, The Picture of Dorian Gray |
| Joan Loring, The Corn Is Green |
| Anne Revere, National Velvet |
| Directing | Clarence Brown, National Velvet |
| Alfred Hitchcock, Spellbound |
| Leo McCarey, The Bells of St. Mary's |
| Jean Renoir, The Southerner |
| Billy Wilder, The Lost Weekend |
| Writing | | Original Motion Picture Story | Alvah Bessie, Objective, Burma! | | Charles G. Booth, The House on 92nd Street | | Laszlo Gorog and Thomas Monroe, The Affairs of Susan | | Ernst Marischka, A Song to Remember | | John Steinbeck and Jack Wagner, A Medal for Benny | | Original Screenplay | Myles Connolly, Music for Millions | | Milton Holmes, Salty O'Rourke | | Harry Kurnitz, What Next, Corporal Hargrove? | | Richard Schweizer, Marie-Louise | | Philip Yordan, Dillinger | | Screenplay | Leopold Atlas, Guy Endore and Philip Stevenson, G. I. Joe | | Charles Brackett and Billy Wilder, The Lost Weekend | | Frank Davis and Tess Slesinger, A Tree Grows in Brooklyn | | Ranald MacDougall, Mildred Pierce | | Albert Maltz, Pride of the Marines |
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| Cinematography | | Black-and-White | George Barnes, Spellbound | | Ernest Haller, Mildred Pierce | | Arthur Miller, The Keys of the Kingdom | | John F. Seitz, The Lost Weekend | | Harry Stradling, The Picture of Dorian Gray | | Color | George Barnes, The Spanish Main | | Tony Gaudio and Allen M. Davey, A Song to Remember | | Robert Planck and Charles Boyle, Anchors Aweigh | | Leon Shamroy, Leave Her to Heaven | | Leonard Smith, National Velvet |
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| Art Direction | | Black-and-White | James Basevi and William Darling, art direction; Thomas Little and Frank E. Hughes, interior decoration, The Keys of the Kingdom | | Albert S. D'Agostino and Jack Okey, art direction; Darrell Silvera and Claude Carpenter, interior decoration, Experiment Perilous | | Hans Dreier and Roland Anderson, art direction; Sam Comer and Ray Moyer, interior decoration, Love Letters | | Cedric Gibbons and Hans Peters, art direction; Edwin B. Willis, John Bonar and Hugh Hunt, interior decoration, The Picture of Dorian Gray | | Wiard Ihnen, art direction; A. Roland Fields, interior decoration, Blood on the Sun | | Color | Hans Dreier and Ernst Fegte, art direction; Sam Comer, interior decoration, Frenchman's Creek | | Cedric Gibbons and Urie McCleary, art direction; Edwin B. Willis and Mildred Griffiths, interior decoration, National Velvet | | Stephen Goosson and Rudolph Sternad, art direction; Frank Tuttle, interior decoration, A Thousand and One Nights | | Ted Smith, art direction; Jack McConaghy, interior decoration, San Antonio | | Lyle Wheeler and Maurice Ransford, art direction; Thomas Little, interior decoration, Leave Her to Heaven |
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| Sound Recording | Columbia Studio Sound Dept., A Song to Remember |
| General Service, The Southerner |
| MGM Studio Sound Dept., They Were Expendable |
| Paramount Studio Sound Dept., The Unseen |
| RCA Sound, Three Is a Family |
| Republic Studio Sound Dept., Flame of Barbary Coast |
| RKO Radio Studio Sound Dept., The Bells of St. Mary's |
| Samuel Goldwyn Studio Sound Dept., Wonder Man |
| Twentieth Century-Fox Studio Sound Dept., Leave Her to Heaven |
| Universal Studio Sound Dept., Lady on a Train |
| Walt Disney Studio Sound Dept., The Three Caballeros |
| Warner Bros. Studio Sound Dept., Rhapsody in Blue |
| Music | | Song | “Accentuate the Positive,” Here Come the Waves, Harold Arlen, music; Johnny Mercer, lyrics | | “Anywhere,” Tonight and Every Night, Jule Styne, music; Sammy Cahn, lyrics | | “Aren't You Glad You're You,” The Bells of St. Mary's, James Van Heusen, music; Johnny Burke, lyrics | | “The Cat and the Canary,” Why Girls Leave Home, Jay Livingston, music; Ray Evans, lyrics | | “Endlessly,” Earl Carroll Vanities, Walter Kent, music; Kim Gannon, lyrics | | “I Fall in Love Too Easily,” Anchors Aweigh, Jule Styne, music; Sammy Cahn, lyrics | | “I'll Buy That Dream,” Sing Your Way Home, Allie Wrubel, music; Herb Magidson, lyrics | | “It Might as Well Be Spring,” State Fair, Richard Rodgers, music; Oscar Hammerstein II, lyrics | | “Linda,” G. I. Joe, Ann Ronell, music and lyrics | | “Love Letters,” Love Letters, Victor Young, music; Eddie Heyman, lyrics | | “More and More,” Can't Help Singing, Jerome Kern, music; E. Y. Harburg, lyrics | | “Sleighride in July,” Belle of the Yukon, James Van Heusen, music; Johnny Burke, lyrics | | “So in Love,” Wonder Man, David Rose, music; Leo Robin, lyrics | | “Some Sunday Morning,” San Antonio, Ray Heindorf and M. K. Jerome, music; Ted Koehler, lyrics | | Scoring of a Dramatic or Comedy Picture | Daniele Amfitheatrof, Guest Wife | | Louis Applebaum and Ann Ronell, G. I. Joe | | Dale Butts and Morton Scott, Flame of the Barbary Coast | | Robert Emmett Dolan, The Bells of St. Mary's | | Lou Forbes, Brewster's Millions | | Hugo Friedhofer and Arthur Lange, The Woman in the Window | | Karl Hajos, The Man Who Walked Alone | | Werner Janssen, Captain Kidd | | Werner Janssen, Guest in the House | | Werner Janssen, The Southerner | | Edward J. Kay, G. I. Honeymoon | | Alfred Newman, The Keys of the Kingdom | | Miklos Rozsa, The Lost Weekend | | Miklos Rozsa and Morris Stoloff, A Song to Remember | | Miklos Rozsa, Spellbound | | H. J. Salter, This Love of Ours | | Herbert Stothart, The Valley of Decision | | Alexander Tansman, Paris, Underground | | Franz Waxman, Objective, Burma | | Roy Webb, The Enchanted Cottage | | Victor Young, Love Letters | | Scoring of a Musical Picture | Robert Emmett Dolan, Incendiary Blonde | | Lou Forbes and Ray Heindorf, Wonder Man | | Walter Greene, Why Girls Leave Home | | Ray Heindorf and Max Steiner, Rhapsody in Blue | | Charles Henderson and Alfred Newman, State Fair | | Edward J. Kay, Sunbonnet Sue | | Jerome Kern and H. J. Salter, Can't Help Singing | | Arthur Lange, Belle of the Yukon | | Edward Plumb, Paul J. Smith and Charles Wolcott, The Three Caballeros | | Morton Scott, Hitchhike to Happiness | | Marlin Skiles and Morris Stoloff, Tonight and Every Night | | Georgie Stoll, Anchors Aweigh |
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| Film Editing | George Amy, Objective, Burma! |
| Doane Harrison, The Lost Weekend |
| Robert J. Kern, National Velvet |
| Harry Marker, The Bells of St. Mary's |
| Charles Nelson, A Song to Remember |
| Special Effects | Lawrence W. Butler, photography; Ray Bomba, sound, A Thousand and One Nights |
| Jack Cosgrove, photography, Spellbound |
| John Fulton, photography; Arthur W. Johns, sound, Wonder Man |
| A. Arnold Gillespie, Donald Jahraus and Robert A. MacDonald, photography; Michael Steinore, sound, They Were Expendable |
| Fred Sersen and Sol Halprin, photography; Roger Heman and Harry Leonard, sound, Captain Eddie |
| Short Subjects | | Cartoon | Donald's Crime (Donald Duck Series) (Walt Disney Productions; RKO Radio) | | Jasper and the Beanstalk (George Pal Puppetoon-Jasper Series) (George Pal Productions; Paramount) | | Life With Feathers (Merrie Melodies Series) (Eddie Selzer, producer; Warner Bros.) | | Mighty Mouse in Gypsy Life (Terrytoon Series) (Paul Terry, producer; Twentieth Century-Fox) | | The Poet and Peasant (Lantz Technicolor Cartune Series) (Walter Lantz Productions; Universal) | | Quiet Please! (Tom and Jerry Series) (Frederick Quimby, producer; MGM) | | Rippling Romance (Color Rhapsodies Series) (Screen Gems; Columbia) | | One-Reel | Along the Rainbow Trail (Movietone Adventure Series) (Edmund Reek, producer; Twentieth Century-Fox) | | Screen Snapshots' 25th Anniversary (Screen Snapshots Series) (Ralph Staub, producer; Columbia) | | Stairway to Light (John Nesbitt Passing Parade Series) (Herbert Moulton, producer; MGM) | | Story of a Dog (Vitaphone Varieties Series) (Gordon Hollingshead, producer; Warner Bros.) | | White Rhapsody (Grantland Rice Spotlights Series) (Grantland Rice, producer; Paramount) | | Your National Gallery (Variety Views Series) (Joseph O'Brien and Thomas Mead, producers; Universal) | | Two-Reel | A Gun in His Hand (Crime Doesn't Pay Series) (Chester Franklin, producer; MGM) | | The Jury Goes Round 'N' Round (All Star Comedies Series) (Jules White, producer; Columbia) | | The Little Witch (Musical Parade Series) (George Templeton, producer; Paramount) | | Star in the Night (Broadway Brevities Series) (Gordon Hollingshead, producer; Warner Bros.) |
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| Documentary | | Short Subject | Hitler Lives? (Featurette Series) (Gordon Hollingshead, producer; Warner Bros.) | | Library of Congress (U.S. War Information Office Overseas Motion Picture Bureau) | | To the Shores of Iwo Jima (U.S. Marine Corps.) | | Feature | The Last Bomb (U.S. Army Air Force) | | The True Glory (Governments of Great Britain and the United States; Columbia) |
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| Special Awards | To Walter Wanger for his six years service as President of the Academy of Motion Picture Arts and Sciences |
| To Peggy Ann Garner, outstanding child actress of 1945 |
| To The House I Live In, tolerance short subject; produced by Frank Ross and Mervyn LeRoy; directed by Mervyn LeRoy; screenplay by Albert Maltz; song “The House I Live In,” music by Earl Robinson, lyrics by Lewis Allen; starring Frank Sinatra; released by RKO Radio |
| To Republic Studio, Daniel J. Bloomberg and the Republic Sound Department for the building of an outstanding musical scoring auditorium which provides optimum recording conditions and combines all elements of acoustic and engineering design |
