The 1970 Academy Awards were presented April 15, 1971 at the Dorothy Chandler Pavilion, Los Angeles.
| Best Picture | Airport, Ross Hunter, producer (Universal) |
| Five Easy Pieces, Bob Rafelson and Richard Wechsler, producers (Columbia) |
| Love Story, Howard G. Minsky, producer (Paramount) |
| M*A*S*H, Ingo Preminger, producer (Twentieth Century-Fox) |
| Patton, Frank McCarthy, producer (Twentieth Century-Fox) |
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 Patton Archive Photos |
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| Best Actor | Melvyn Douglas, I Never Sang for My Father |
| James Earl Jones, The Great White Hope |
| Jack Nicholson, Five Easy Pieces |
| Ryan O'Neal, Love Story |
| George C. Scott, Patton |
| Best Actress | Jane Alexander, The Great White Hope |
| Glenda Jackson, Women in Love |
| Ali MacGraw, Love Story |
| Sarah Miles, Ryan's Daughter |
| Carrie Snodgress, Diary of a Mad Housewife |
| Actor in a Supporting Role | Richard Castellano, Lovers and Other Strangers |
| Chief Dan George, Little Big Man |
| Gene Hackman, I Never Sang for My Father |
| John Marley, Love Story |
| John Mills, Ryan's Daughter |
| Actress in a Supporting Role | Karen Black, Five Easy Pieces |
| Lee Grant, The Landlord |
| Helen Hayes, Airport |
| Sally Kellerman, M*A*S*H |
| Maureen Stapleton, Airport |
| Directing | Robert Altman, M*A*S*H |
| Federico Fellini, Fellini Satyricon |
| Arthur Hiller, Love Story |
| Ken Russell, Women in Love |
| Franklin J. Schaffner, Patton |
| Writing | | Screenplay Based on Material From Another Medium | Robert Anderson, I Never Sang for My Father | | Larry Kramer, Women in Love | | Ring Lardner, Jr., M*A*S*H | | George Seaton, Airport | | Renee Taylor, Joseph Bologna and David Zelag Goodman, Lovers and Other Strangers | | Original Screenplay | Francis Ford Coppola and Edmund H. North, Patton | | Bob Rafelson and Adrien Joyce, story; Adrien Joyce, screenplay, Five Easy Pieces | | Eric Rohmer, My Night at Maud's | | Erich Segal, Love Story | | Norman Wexler, Joe |
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| Cinematography | Fred Koenekamp, Patton |
| Ernest Laszlo, Airport |
| Charles F. Wheeler, Osami Furuya, Sinsaku Himeda and Masamichi Satoh, Tora! Tora! Tora! |
| Billy Williams, Women in Love |
| Freddie Young, Ryan's Daughter |
| Art Direction | Alexander Golitzen and E. Preston Ames, art direction; Jack D. Moore and Mickey S. Michaels, set decoration, Airport |
| Tambi Larsen, art direction; Darrell Silvera, set decoration, The Molly Maguires |
| Terry Marsh and Bob Cartwright, art direction; Pamela Cornell, set decoration, Scrooge |
| Urie McCleary and Gil Parrondo, art direction; Antonio Mateos and Pierre-Louis Thevenet, set decoration, Patton |
| Mickey S. Michaels, set decoration, Airport |
| Jack Martin Smith, Yoshiro Muraki, Richard Day and Taizoh Kawashima, art direction; Walter M. Scott, Norman Rockett and Carl Biddiscombe, set decoration, Tora! Tora! Tora! |
| Sound | Gordon K. McCallum and John Bramall, Ryan's Daughter |
| Ronald Pierce and David Moriarty, Airport |
| Murray Spivack and Herman Lewis, Tora! Tora! Tora! |
| Dan Wallin and Larry Johnson, Woodstock |
| Douglas Williams and Don Bassman, Patton |
| Music | | Song | “For All We Know,” Lovers and Other Strangers, Fred Karlin, music; Robb Royer and James Griffin, lyrics | | “Pieces of Dreams,” Pieces of Dreams, Michel Legrand, music; Alan and Marilyn Bergman, lyrics | | “Thank You Very Much,” Scrooge, Leslie Bricusse, music and lyrics | | “Till Love Touches Your Life,” Madron, Riz Ortolani, music; Arthur Hamilton, lyrics | | “Whistling Away the Dark,” Darling Lili, Henry Mancini, music; Johnny Mercer, lyrics | | Original Score | Frank Cordell, Cromwell | | Jerry Goldsmith, Patton | | Francis Lai, Love Story | | Henry Mancini, Sunflower | | Alfred Newman, Airport | | Original Song Score | The Beatles, Let It Be | | Leslie Bricusse, music and lyrics; Ian Fraser and Herbert W. Spencer, adaptation, Scrooge | | Fred Karlin and Tylwyth Kymry, The Baby Maker | | Henry Mancini, music; Johnny Mercer, lyrics, Darling Lili | | Rod McKuen and John Scott Trotter, music; Rod McKuen, Bill Melendez and Al Shean, lyrics; Vince Guaraldi, adaptation score, A Boy Named Charlie Brown |
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| Film Editing | Hugh S. Fowler, Patton |
| Stuart Gilmore, Airport |
| Danford B. Greene, M*A*S*H |
| James E. Newcom, Pembroke J. Herring and Inoue Chikaya, Tora! Tora! Tora! |
| Thelma Schoonmaker, Woodstock |
| Costume Design | Donald Brooks and Jack Bear, Darling Lili |
| Margaret Furse, Scrooge |
| Edith Head, Airport |
| Nino Novarese, Cromwell |
| Bill Thomas, The Hawaiians |
| Special Visual Effects | A. D. Flowers and L. B. Abbott, Tora! Tora! Tora! |
| Alex Weldon, Patton |
| Short Subjects | | Cartoon | The Further Adventures of Uncle Sam: Part Two (Haboush Company; Goldstone Films) | | Is It Always Right to Be Right? (Stephen Bosustow Productions; Lester A. Schoenfeld Films) | | The Shepherd (Cameron Guess and Associates; Brandon Films) | | Live Action | The Resurrection of Broncho Billy (University of Southern California, Department of Cinema; Universal) | | Shut Up…I'm Crying (Robert Siegler Productions; Lester A. Schoenfeld Films) | | Sticky My Fingers…Fleet My Feet (American Film Institute; Lester A. Schoenfeld Films) |
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| Documentary | | Short Subject | The Gifts (Robert McBride, producer; Richter-McBride Productions for the Water Quality Office of the Environmental Protection Agency) | | Interviews With My Lai Veterans (Joseph Strick, producer; Laser Film Corp.) | | A Long Way From Nowhere (Bob Aller, producer; Robert Aller Productions) | | Oisin (Vivien Carey and Patrick Carey, producers; Aengus Films) | | Time Is Running Out (Horst Dallmayr and Robert Menegoz, producers; Gesellschaft für bildende Filme) | | Feature | Chariots of the Gods (Dr. Harald Reinl, producer; Terra-Filmkunst GmbH) | | Jack Johnson (Jim Jacobs, producer; The Big Fights) | | King: A Filmed Record…Montgomery to Memphis (Ely Landau, producer; Commonwealth United Corporation Production) | | Say Goodbye (David H. Vowell, producer; David L. Wolper Productions) | | Woodstock (Wadleigh-Maurice Ltd.; Warner Bros.) |
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| Foreign Language Film | First Love, Switzerland |
| Hoa-Binh, France |
| Investigation of a Citizen Above Suspicion, Italy |
| Paix Sur Les Champs, Belgium |
| Tristana, Spain |
| Irving G. Thalberg Memorial Award | Ingmar Bergman |
| Jean Hersholt Humanitarian Award | Frank Sinatra |
| Honorary Awards | To Lillian Gish for superlative artistry and for distinguished contribution to the progress of motion pictures |
| To Orson Welles for superlative artistry and versatility in the creation of motion pictures |
