Best Motion Picture
- All the King's Men
- Battleground
- The Heiress
- A Letter to Three Wives
- Twelve O'Clock High
Best Actor
- Broderick Crawford, All the King's Men
- Kirk Douglas, Champion
- Gregory Peck, Twelve O'Clock High
- Richard Todd, The Hasty Heart
- John Wayne, Sands of lwo Jima
Best Actress
- Jeanne Crain, Pinky
- Olivia de Havilland, The Heiress
- Susan Hayward, My Foolish Heart
- Deborah Kerr, Edward, My Son
- Loretta Young, Come to the Stable
Actor in a Supporting Role
- John Ireland, All the King's Men
- Dean Jagger, Twelve O'Clock High
- Arthur Kennedy, Champion
- Ralph Richardson, The Heiress
- James Whitmore, Battleground
Actress in a Supporting Role
- Ethel Barrymore, Pinky
- Celeste Holm, Come to the Stable
- Elsa Lanchester, Come to the Stable
- Mercedes McCambridge, All the King's Men
- Ethel Waters, Pinky
Directing
- Joseph L. Mankiewicz, A Letter to Three Wives
- Carol Reed, The Fallen Idol
- Robert Rossen, All the King's Men
- William A. Wellman, Battleground
- William Wyler, The Heiress
Writing
- Motion Picture Story
- Harry Brown, Sands of Iwo Jima
- Virginia Kellogg, White Heat
- Clare Boothe Luce, Come to the Stable
- Douglas Morrow, The Stratton Story
- Shirley W. Smith and Valentine Davies, It Happens Every Spring
- Screenplay
- Carl Foreman, Champion
- Graham Greene, The Fallen Idol
- Joseph L. Mankiewicz, A Letter to Three Wives
- Robert Rossen, All the King's Men
- Cesare Zavattini, The Bicycle Thief
- Story and Screenplay
- Sidney Buchman, Jolson Sings Again
- T. E. B. Clarke, Passport to Pimlico
- Alfred Hayes, Federico Fellini, Sergio Amidei, Marcello Pagliero and Roberto Rossellini, Paisan
- Helen Levitt, Janice Loeb and Sidney Meyers, The Quiet One
- Robert Pirosh, Battleground
Cinematography
- Black-and-White
- Joseph LaShelle, Come to the Stable
- Frank Planer, Champion
- Leon Shamroy, Prince of Foxes
- Leo Tover, The Heiress
- Paul C. Vogel, Battleground
- Color
- Charles G. Clarke, Sand
- Winton Hoch, She Wore a Yellow Ribbon
- Robert Planck and Charles Schoenbaum, Little Women
- William Snyder, Jolson Sings Again
- Harry Stradling, The Barkleys of Broadway
Art Direction
- Black-and-White
- Cedric Gibbons and Jack Martin Smith, art direction; Edwin B. Willis and Richard A. Pefferle, set decoration, Madame Bovary
- John Meehan and Harry Horner, art direction; Emile Kuri, set decoration, The Heiress
- Lyle Wheeler and Joseph C. Wright, art direction; Thomas Little and Paul S. Fox, set decoration, Come to the Stable
- Color
- Edward Carrere, art direction; Lyle Reifsnider, set decoration, The Adventures of Don Juan
- Cedric Gibbons and Paul Groesse; Edwin B. Willis and Jack D. Moore, Little Women
- Jim Morahan, William Kellner and Michael Relph, art direction, Saraband
Sound Recording
- Republic Studio Sound Department, Sands of Iwo Jima
- Twentieth Century-Fox Studio Sound Department, Twelve O'Clock High
- Universal-International Studio Sound Department, Once More, My Darling
Music
- Song
- "Baby, It's Cold Outside", Neptune's Daughter, Frank Loesser, music and lyrics
- "It's a Great Feeling", It's a Great Feeling, Jule Styne, music; Sammy Cahn, lyrics
- "Lavender Blue", So Dear to My Heart, Eliot Daniel, music; Larry Morey, lyrics
- "My Foolish Heart", My Foolish Heart, Victor Young, music; Ned Washington, lyrics
- "Through a Long and Sleepless Night", Come to the Stable, Alfred Newman, music; Mack Gordon, lyrics
- Scoring of a Comedy or Dramatic Picture
- Aaron Copland, The Heiress
- Max Steiner, Beyond the Forest
- Dimitri Tiomkin, Champion
- Scoring of a Musical Picture
- Roger Edens and Lennie Hayton, On the Town
- Ray Heindorf, Look for the Silver Lining
- Morris Stoloff and George Duning, Jolson Sings Again
Film Editing
- John Dunning, Battleground
- Harry Gerstad, Champion
- Frederic Knudtson, The Window
- Robert Parrish and Al Clark, All the King's Men
- Richard L. Van Enger, Sands of Iwo Jima
Costume Design
- Black-and-White
- Edith Head and Gile Steele, The Heiress
- Vittorio Nino Novarese, Prince of Foxes
- Color
- Kay Nelson, Mother Is a Freshman
- Leah Rhodes, Travilla and Marjorie Best, The Adventures of Don Juan
Special Effects
- Mighty Joe Young (Arko Production; RKO Radio)
- Tulsa (Walter Wagner; Eagle Lion)
Short Subjects
- Cartoon
- Canary Row (Merrie Melodies Series) (Warner Bros. Cartoons, Inc.; Warner Bros.) (Nomination withdrawn by producer.)
- For Scent-imental Reasons (Merrie Melodies Series) (Warner Bros. Cartoons, Inc.; Warner Bros.)
- Hatch Up Your Troubles (Tom and Jerry Series) (Frederick Quimby, producer; MGM)
- The Magic Fluke (Fox and Crow Series) (United Productions of America; Columbia)
- Toy Tinkers (Donald Duck Series) (Walt Disney Productions; RKO Radio)
One-Reel
- Aquatic House-Party (Grantland Rice Sportlights Series) (Jack Eaton, producer; Paramount)
- Roller Derby Girl (Pacemaker Series) (Justin Herman, producer; Paramount)
- So You Think You're Not Guilty (John McDoakes Series) (Gordon Hollingshead, producer; Warner Bros.)
- Spills and Chills (Sports News Review Series) (Walton C. Ament, producer; Warner Bros.)
- Water Trix (Pete Smith Specialties Series) (Pete Smith, producer; MGM)
Two-Reel
- The Boy and the Eagle (William Lasky, producer; RKO Radio)
- Chase of Death (Irving Allen Productions)
- The Grass Is Always Greener (Gordon Hollingshead, producer; Warner Bros.)
- Snow Carnival (Two-reel Technicolor Series) (Gordon Hollingshead, producer; Warner Bros.)
- Van Gogh (Gaston Diehl and Robert Haeessens, producers; Canton-Weiner Films)
Documentary
- Short Subject
- (tie) A Chance to Live (March of Time Series) (Richard de Rochemont, producer; Twentieth Century-Fox)
- 1848 (A. F. Films; French Cinema General Cooperative)
- The Rising Tide (National Film Board of Canada; St. Francis-Xavier University)
- (tie) So Much for So Little (Warner Bros. Cartoons, Inc.; Warner Bros.)
- Feature
- Daybreak in Udi (British Information Services; Crown Film Unit)
- Kenji Comes Home (Paul F. Heard, producer; Protestant Film Commission)
Special Awards
- To The Bicycle Thief (Italy), voted by the Academy Board of Governors as the most outstanding foreign language film released in the United States during 1949
- To Bobby Driscoll, oustanding juvenile actor of 1949
- To Fred Astaire for his unique artistry and his contributions to the technique of musical pictures
- To Cecil B. DeMille, distinguished motion picture pioneer, for 37 years of brilliant showmanship
- To Jean Hersholt for distinguished service to the motionpicture industry
Facts:
- Winners Announced: March 23, 1950
- Held at: RKO Pantages Theatre, Hollywood, California
- Host: Paul Douglas
- Eligibility Year: 1949