Best Motion Picture
- Hamlet (British)
- Johnny Belinda
- The Red Shoes
- The Snake Pit
- The Treasure of the Sierra Madre
Best Actor
- Lew Ayres, Johnny Belinda
- Montgomery Clift, The Search
- Dan Dailey, When My Baby Smiles at Me
- Laurence Olivier, Hamlet
- Clifton Webb, Sitting Pretty
Best Actress
- Ingrid Bergman, Joan of Arc
- Olivia de Havilland, The Snake Pit
- Irene Dunne, I Remember Mama
- Barbara Stanwyck, Sorry, Wrong Number
- Jane Wyman, Johnny Belinda
Actor in a Supporting Role
- Charles Bickford, Johnny Belinda
- José Ferrer, Joan of Arc
- Oscar Homolka, I Remember Mama
- Walter Huston, The Treasure of the Sierra Madre
- Cecil Kellaway, The Luck of the Irish
Actress in a Supporting Role
- Barbara Bel Geddes, I Remember Mama
- Ellen Corby, I Remember Mama
- Agnes Moorehead, Johnny Belinda
- Jean Simmons, Hamlet
- Claire Trevor, Key Largo
Directing
- John Huston, The Treasure of the Sierra Madre
- Anatole Litvak, The Snake Pit
- Jean Negulesco, Johnny Belinda
- Laurence Olivier, Hamlet
- Fred Zinnemann, The Search
Writing
- Motion Picture Story
- Borden Chase, Red River
- Frances Flaherty and Robert Flaherty, Louisiana Story
- Emeric Pressburger, The Red Shoes
- Richard Schweizer and David Wechsler, The Search
- Malvin Wald, The Naked City
- Screenplay
- Charles Brackett, Billy Wilder and Richard L. Breen, A Foreign Affair
- John Huston, The Treasure of the Sierra Madre
- Frank Partos and Millen Brand, The Snake Pit
- Richard Schweizer and David Wechsler, The Search
- Irmgard Von Cube and Allen Vincent, Johnny Belinda
Cinematography
- Black-and-White
- Joseph August, Portrait of Jennie
- William Daniels, The Naked City
- Charles B. Lang, Jr., A Foreign Affair
- Ted McCord, Johnny Belinda
- Nicholas Musuraca, I Remember Mama
- Color
- Charles G. Clarke, Green Grass of Wyoming
- Robert Planck, The Three Musketeers
- William Snyder, The Loves of Carmen
- Joseph Valentine, William V. Skall and Winton Hoch, Joan of Arc
Art Direction
- Black-and-White
- Roger K. Furse, art direction; Carmen Dillon, set decoration, Hamlet
- Robert Haas, art direction; William Wallace, set decoration, Johnny Belinda
- Color
- Richard Day, art direction; Edwin Casey Roberts and Joseph Kish, set decoration, Joan of Arc
- Hein Heckroth, art direction; Arthur Lawson, set decoration, The Red Shoes
Sound Recording
- Republic Studio Sound Dept., Moonrise
- Twentieth Century-Fox Studio Sound Dept., The Snake Pit
- Warner Bros. Studio Sound Dept., Johnny Belinda
Music
- Song
- "Buttons and Bows", The Paleface, Jay Livingston and Ray Evans, music and lyrics
- "For Every Man There's a Woman", Casbah, Harold Arlen, music; Leo Robin, lyrics
- "It's Magic", Romance on the High Seas, Jule Styne, music; Sammy Cahn, lyrics
- "This Is the Moment", That Lady in Ermine, Frederick Hollander, music; Leo Robin, lyrics
- "The Woody Woodpecker Song", Wet Blanket Policy, Ramey Idriss and George Tibbles, music and lyrics
- Scoring of a Dramatic or Comedy Picture
- Brian Easdale, The Red Shoes
- Hugo Friedhofer, Joan of Arc
- Alfred Newman, The Snake Pit
- Max Steiner, Johnny Belinda
- William Walton, Hamlet
Scoring of a Musical Picture
- Johnny Green and Roger Edens, Easter Parade
- Lennie Hayton, The Pirate
- Ray Heindorf, Romance on the High Seas
- Alfred Newman, When My Baby Smiles at Me
- Victor Young, The Emperor Waltz
Film Editing
- Reginald Mills, The Red Shoes
- Christian Nyby, Red River
- Frank Sullivan, Joan of Arc
- Paul Weatherwax, The Naked City
- David Weisbart, Johnny Belinda
Costume Design
- Black-and-White
- Roger K. Furse, Hamlet
- Irene, B.F.'s Daughter
- Color
- Edith Head and Gile Steele, The Emperor Waltz
- Dorothy Jeakins and Karinska, Joan of Arc
Special Effects
- Paul Eagler, J. McMillan Johnson, Russell Shearman and Clarence Slifer, visual; Charles Freeman and James G. Stewart, audible, Portrait of Jennie
- Ralph Hammeras, Fred Sersen and Edward Snyder, visual; Roger Heman, audible, Deep Waters
Short Subjects
- Cartoon
- The Little Orphan (Tom and Jerry Series) (Frederick Quimby, producer; MGM)
- Mickey and the Seal (Mickey Mouse Series) (Walt Disney Productions; RKO Radio)
- Mouse Wreckers (Merrie Melodies Series) (Edward Selzer, producer; Warner Bros.)
- Robin Hoodlum (Fox and Crow Series) (United Productions of America; Columbia)
- Tea for Two Hundred (Donald Duck Series) (Walt Disney Productions; RKO Radio)
- One-Reel
- Annie Was a Wonder (John Nesbitt Passing Parade Series) (Herbert Moulton, producer; MGM)
- Cinderella Horse (Sports Parade Series) (Gordon Hollingshead, producer; Warner Bros.)
- So You Want to Be on the Radio (Joe McDoakes Series) (Gordon Hollingshead, producer; Warner Bros.)
- Symphony of a City (Movietone Specialty Series) (Edmund H. Reek, producer; Twentieth Century-Fox)
- You Can't Win (Pete Smith Specialty Series) (Pete Smith, producer; MGM)
- Two-Reel
- Calgary Stampede (Technicolor Special Series) (Gordon Hollingshead, producer; Warner Bros.)
- Going to Blazes (Herbert Morgan, producer; MGM)
- Samba-Mania (Musical Parade Featurette Series) (Harry Grey, producer; Paramount)
- Seal Island (True Life Adventure Series) (Walt Disney Productions; RKO Radio)
- Snow Capers (Thomas Mead, producer; Universal-International)
Documentary
- Short Subject
- Heart to Heart (Herbert Morgan, producer; Fact Film Organization)
- Operation Vittles (U.S. Army Air Force)
- Toward Independence (U.S. Army)
- Feature
- The Quiet One (Film Documents; Mayer-Burstyn)
- The Secret Land (U.S. Navy; MGM)
Irving G. Thalberg Memorial Award
Special Awards
- To Monsieur Vincent (France), voted by the Academy Board of Governors as the most outstanding foreign language film released in the United States during 1948
- To Ivan Jandl for the outstanding juvenile performance of 1948 in The Search
- To Sid Grauman, master showman, who raised the standard of exhibition of motion pictures
- To Adolph Zukor, a man who has been called the father of the feature film in America, for his services to the industry over a period of 40 years
- To Walter Wanger for distinguished service to the industry in adding to its moral stature in the world community by his production of the picture Joan of Arc
Facts:
- Winners Announced: March 24, 1949
- Held at: The Academy Theater, Hollywood, California, USA
- Host: Robert Montgomery
- Eligibility Year: 1948