Premiul Oscar pentru cel mai bun scenariu original () este unul dintre premiile Oscar, acordate de „Academy of Motion Picture Arts and Sciences” pentru cel mai bun scenariu care nu a fost inspirat de o operă publicată. Se acordă începând cu 1940.
Anii 1940 An Film Scenarist(i) 1940 The Great McGinty Preston Sturges Angels Over Broadway Ben Hecht Dr. Ehrlich's Magic Bullet Norman Burnside Heinz Herald John Huston Foreign Correspondent Charles BennettJoan Harrison The Great Dictator Charlie Chaplin 1941 Citizen Kane Herman J. MankiewiczOrson Welles The Devil and Miss Jones Norman Krasna Sergeant York Harry ChandleeAbem FinkelJohn HustonHoward Koch Tall, Dark and Handsome Karl TunbergDarrell Ware Tom, Dick and Harry Paul Jarrico 1942 Woman of the Year Michael KaninRing Lardner Jr. One of Our Aircraft Is Missing Michael Powell Emeric Pressburger Road to Morocco Frank ButlerDon Hartman Wake Island W. R. BurnettFrank Butler The War Against Mrs. Hadley George Oppenheimer 1943 Princess O'Rourke Norman Krasna Air Force Dudley Nichols In Which We Serve Noël Coward The North Star Lillian Hellman So Proudly We Hail! Allan Scott 1944 Wilson Lamar Trotti Hail the Conquering Hero Preston Sturges The Miracle of Morgan's Creek Preston Sturges Two Girls and a Sailor Richard ConnellGladys Lehman Wing and a Prayer Jerome Cady 1945 Marie-Louise Richard Schweizer Dillinger Philip Yordan Music for Millions Myles Connolly Salty O'Rourke Milton Holmes What Next, Corporal Hargrove? Harry Kurnitz 1946 The Seventh Veil Muriel BoxSydney Box The Blue Dahlia Raymond Chandler Children of Paradise Jacques Prévert Notorious Ben Hecht Road to Utopia Norman PanamaMelvin Frank 1947 The Bachelor and the Bobby-Soxer Sidney Sheldon Body and Soul Abraham Polonsky A Double Life Ruth GordonGarson Kanin Monsieur Verdoux Charlie Chaplin Shoeshine Sergio AmideiAdolfo FranciC. G. ViolaCesare Zavattini 1948Instead of the categories "Original Screenplay and "Screenplay", it was combined into one category, called "Screenplay", the award was given to The Treasure of the Sierra Madre adapted from the novel of same name — — 1949In 1949, categoria a fost redenumită "Story and Screenplay" Battleground Robert Pirosh Jolson Sings Again Sidney Buchman Paisà V. Hayes Federico Fellini Sergio Amidei Marcello Pagliero Roberto Rossellini Passport to Pimlico T. E. B. Clarke The Quiet One Helen LevittJanice LoebSidney Meyers
Anii 1950 An Film Scenarist(i) 1950 Sunset Boulevard Charles BrackettD.M. Marshman, Jr.Billy Wilder Adam's Rib Ruth Gordon, Garson Kanin Caged Virginia Kellogg Bernard C. Schoenfeld The Men Carl Foreman No Way Out Joseph L. MankiewiczLesser Samuels 1951 An American in Paris Alan Jay Lerner The Big Carnival Billy WilderLesser SamuelsWalter Newman David and Bathsheba Philip Dunne Go for Broke! Robert Pirosh The Well Clarence GreeneRussell Rouse 1952 The Lavender Hill Mob T. E. B. Clarke The Atomic City Sydney Boehm The Sound Barrier Terence Rattigan Pat and Mike Ruth GordonGarson Kanin Viva Zapata! John Steinbeck 1953 Titanic Charles BrackettRichard BreenWalter Reisch The Band Wagon Betty ComdenAdolph Green The Desert Rats Richard Murphy The Naked Spur Sam RolfeHarold Jack Bloom Take the High Ground! Millard Kaufman 1954 On the Waterfront Budd Schulberg The Barefoot Contessa Joseph L. Mankiewicz Genevieve William Rose The Glenn Miller poveste Valentine DaviesOscar Brodney Knock on Wood Norman PanamaMelvin Frank 1955 Interrupted Melody Sonya LevienWilliam Ludwig The Court-Martial of Billy Mitchell Milton SperlingEmmet Lavery It's Always Fair Weather Betty ComdenAdolph Green Mr. Hulot's Holiday Jacques TatiHenri Marquet The Seven Little Foys Melville ShavelsonJack Rose 1956 The Red Balloon Albert Lamorisse The Bold and the Brave Robert Lewin Julie Andrew L. Stone La Strada Federico FelliniTullio Pinelli The Ladykillers William Rose 1957 Designing Woman George Wells Funny Face Leonard Gershe Man of a Thousand Faces Ralph Wheelwright R. Wright Campbell Ivan Goff Ben Roberts Steaua de tinichea Barney Slater Joel Kane Dudley Nichols I Vitelloni Federico Fellini Ennio Flaiano Tullio Pinelli 1958 The Defiant Ones Nathan E. DouglasUpon request of his widow and upon recommendation of the Writers Branch Executive Committee, the Board of Governors voted to restore the name of Nedrick Young to the nomination and award presented to Nathan E. Douglas, which was a pseudonym for Mr. Young during the blacklisting period.Harold Jacob Smith The Goddess Paddy Chayefsky Houseboat Melville ShavelsonJack Rose The Sheepman James Edward Grant William Bowers Teacher's Pet Fay KaninMichael Kanin 1959 Pillow Talk Clarence Greene Maurice Richlin Russell Rouse Stanley Shapiro The 400 Blows François Truffaut Marcel Moussy North by Northwest Ernest Lehman Operation Petticoat Paul King Joseph Stone Stanley Shapiro Maurice Richlin Wild Strawberries Ingmar Bergman
Anii 1960 1969 The Producers - Mel Brooks 2001: A Space Odyssey - Stanley Kubrick, Arthur C. Clarke Bătălia pentru Alger (The Battle of Algiers) - Franco Solinas, Gillo Pontecorvo Faces - John Cassavetes Hot Millions - Iro Wallach, Peter Ustinov (În 1969 categoria a fost redenumită: "Scenariu bazat pe material nepublicat anterior")
1968 Ghici cine vine la cină (Guess Who's Coming to Dinner)- William Rose Bonnie și Clyde (Bonnie and Clyde) - David Newman, Robert Benton Divorce, American Style - Robert Kaufman, Norman Lear La Guerre Est Finie - Jorge Semprún Two for the Road - Frederic Raphael
1967 Un bărbat și o femeie (A Man and a Woman) - Claude Lelouch, Pierre Uytterhoeven Blowup - Michelangelo Antonioni, Tonino Guerra, Edward Bond The Fortune Cookie - Billy Wilder, I.A.L. Diamond Khartoum - Robert Ardrey The Naked Prey - Clinkt Johnston, Don Peters
1966 Darling - Frederic Raphael Casanova 70 - Age Monicelli, Scarpelli Monicelli, Mario Monicelli, Tonino Guerra, Giorgio Salvioni, Suso Cecchi D'Amico Acei oameni minunați în mașinile lor zburătoare (Those Magnificent Men in Their Flying Machines) - Jack Davies, Ken Annakin Trenul (The Train) - Franklin Coen, Frank Davis Umbrelele din Cherbourg (The Umbrellas of Cherbourg) - Jacques Demy
1965 Father Goose - Peter Stone, Frank Tarloff A Hard Day's Night - Alun Owen Un cartof, doi cartofi (One Potato, Two Potato) - Raphael Hayes, Orville H. Hampton The Organizer - Age Monicelli, Scarpelli Monicelli, Mario Monicelli Omul din Rio (That Man from Rio) - Jean-Paul Rappeneau, Ariane Mnouchkine, Daniel Boulanger, Philippe de Broca
1964 How the West Was Won - James Webb 8½ - Federico Fellini, Ennio Flaiano, Tullio Pinelli, Brunello Rondi America, America - Elia Kazan Cele patru zile ale orașului Neapole (The Four Days of Naples) - Pasquale Festa Campanile, Massimo Franciosa, Nanni Loy, Vasco Pratolini, Carlo Bernari Love with the Proper Stranger - Arnold Schulman
1963 Divorț italian - Ennio de Concini, Pietro Germi, Alfredo Giannetti Freud - Charles Kaufman, Wolfgang Reinhardt Last Year at Marienbad - Alain Robbe-Grillet That Touch of Mink - Stanley Shapiro, Nate Monaster Through a Glass Darkly - Ingmar Bergman
1962 Splendoare în iarbă (Splendor in the Grass)- William Inge Balada soldatului (Ballad of a Soldier) - Valentin Yoshov, Grigori Chukhrai La dolce vita - Federico Fellini, Tullio Pinelli, Ennio Flaiano, Brunello Rondi Generalul della Rovere (General Della Rovere) - Sergio Amidei, Diego Fabbi, Indro Montanelli Lover Come Back - Stanley Shapiro, Paul Henning
1961 Apartamentul (The Apartment) - I.A.L. Diamond, Billy Wilder The Angry Silence - Bryan Forbes, Richard Gregson, Michael Craig The Facts of Life - Norman Panama, Melvin Frank Hiroshima, dragostea mea (Hiroshima mon amour) - Marguerite Duras Never on Sunday - Jules Dassin
Anii 1970 1979 Întoarcerea acasă (Coming Home) - Robert C. Jones, Waldo Salt, Nancy Dowd Autumn Sonata - Ingmar Bergman Vânătorul de cerbi (The Deer Hunter) - Deric Washburn, Michael Cimino, Louis Garfinkle, Quinn K. Redeker Interiors - Woody Allen An Unmarried Woman - Paul Mazursky - În 1978, categoria a fost renumită: "Scenariu scris direct pentru ecran"
1978 Annie Hall - Woody Allen, Marshall Brickman The Goodbye Girl - Neil Simon The Late Show - Robert Benton Star Wars - George Lucas The Turning Point - Arthur Laurents
1977 Network - Paddy Chayefsky Cousin, cousine - Jean-Charles Tacchella, Daniele Thompson The Front - Walter Bernstein Rocky - Sylvester Stallone Seven Beauties - Lina Wertmüller
1976 Dog Day Afternoon - Frank Pierson Amarcord - Federico Fellini, Tonino Guerra And Now My Love - Claude LeLouch, Pierre Uytterhoeven Lies My Father Told Me - Ted Allan Shampoo - Robert Towne, Warren Beatty
1975 Chinatown - Robert Towne Alice Doesn't Live Here Anymore - Robert Getchell Conversația (The Conversation) - Francis Ford Coppola Day for Night - François Truffaut, Jean-Louis Richard, Suzanne Schiffman Harry and Tonto - Paul Mazursky, Josh Greenfeld
1974 The Sting - David S. Ward American Graffiti - George Lucas, Gloria Katz, Willard Huyck Cries and Whispers - Ingmar Bergman Save the Tiger - Steve Shagan A Touch of Class - Melvin Frank, Jack Rose
1973 The Candidate - Jeremy Larner The Discreet Charm of the Bourgeoisie - Luis Buñuel, Jean-Claude Carrière Lady Sings the Blues - Terrence McCloy, Chris Clark, Suzanne de Passe Murmur of the Heart - Louis Malle Young Winston - Carl Foreman
1972 The Hospital - Paddy Chayefsky Investigation of a Citizen Above Suspicion - Elio Petri, Ugo Pirro Klute - Andy and Dave Lewis Summer of '42 - Herman Raucher Sunday Bloody Sunday - Penelope Gilliatt
1971 Patton - Francis Ford Coppola, Edmund North Five Easy Pieces - Adrien Joyce, Bob Rafelson Joe - Norman Wexler Love Story - Erich Segal Noaptea mea cu Maud (Ma nuit chez Maud) - Éric Rohmer
1970 Butch Cassidy și Sundance Kid (Butch Cassidy and the Sundance Kid) - William Goldman Bob & Carol & Ted & Alice - Paul Mazursky, Larry Tucker The Damned - Nicola Badalucco, Enrico Medioli, Luchino Visconti Easy Rider - Peter Fonda, Dennis Hopper, Terry Southern Hoarda sălbatică (The Wild Bunch) - Walon Green, Roy N. Sickner, Sam Peckinpah
Anii 1980 1989 Rain Man - Ronald Bass, Barry Morrow Big - Gary Ross, Anne Spielberg Bull Durham - Ron Shelton A Fish Called Wanda - John Cleese și Charles Crichton Running on Empty - Naomi Foner
1988 Moonstruck - John Patrick Shanley Au revoir, les enfants - Louis Malle Broadcast News - James L. Brooks Hope and Glory - John Boorman Radio Days - Woody Allen
1987 Hannah and Her Sisters - Woody Allen Crocodile Dundee - Paul Hogan, Ken Shadie, John Cornell My Beautiful Laundrette - Hanif Kureishi Platoon - Oliver Stone Salvador - Oliver Stone, Richard Boyle
1986 Witness - William Kelley, Earl Wallace, Pamela Wallace Back to the Future - Robert Zemeckis, Bob Gale Brazil - Terry Gilliam, Tom Stoppard, Charles McKeown The Official Story - Luis Puenzo, Aida Bortnik The Purple Rose of Cairo - Woody Allen
1985 Places in the Heart - Robert Benton Beverly Hills Cop - Daniel Petrie, Jr., Danilo Bach Broadway Danny Rose - Woody Allen El Norte - Gregory Nava, Anna Thomas Splash - Lowell Ganz, Babaloo Mandel, Bruce Jay Friedman, Brian Grazer
1984 Tender Mercies - Horton Foote The Big Chill - Lawrence Kasdan, Barbara Benedek Fanny and Alexander - Ingmar Bergman Silkwood - Nora Ephron, Alice Arlen WarGames - Lawrence Lasker, Walter F. Parkes
1983 Gandhi - John Briley Diner - Barry Levinson E.T. the Extra-Terrestrial - Melissa Mathison An Officer and a Gentleman - Douglas Day Stewart Tootsie - Larry Gelbart, Murray Schisgal, Don McGuire
1982 Chariots of Fire - Colin Welland Absence of Malice - Kurt Luedtke Arthur - Steve Gordon Atlantic City - John Guare Reds - Warren Beatty, Trevor Griffiths
1981 Melvin and Howard - Bo Goldman Brubaker - W. D. Richter, Arthur Ross Fame - Christopher Gore Mon oncle d'Amérique - Jean Gruault, Henri Laborit