De BAFTA Award voor Best Original Screenplay is de Britse Academy Film Award voor het beste script dat niet gebaseerd is op eerder gepubliceerd materiaal. Hij wordt sinds 1984 uitgereikt. In 1984 werd de categorie BAFTA Award for Best Screenplay gesplitst in twee prijzen, deze en de BAFTA Award for Best Adapted Screenplay.
BAFTA Award voor Beste Originele Scenario
Winnaars en genomineerden
1980s
1983: The King of Comedy - Paul D. Zimmerman
- Lokale held - Bill Forsyth
- Trading Places - Timothy Harris en Herschel Weingrod
- Zelig - Woody Allen
1984: Broadway Danny Rose - Woody Allen
- The Big Chill - Barbara Benedek en Lawrence Kasdan
- Troost en vreugde - Bill Forsyth
- A Private Function - Alan Bennett
1985: The Purple Rose of Cairo - Woody Allen
- Back to the Future - Bob Gale en Robert Zemeckis
- My Beautiful Laundrette - Hanif Kureishi
- Getuige - William Kelley en Earl W. Wallace
1986: Hannah and Her Sisters - Woody Allen
- Crocodile Dundee - John Cornell, Paul Hogan en Ken Shadie
- De missie - Robert Bolt
- Mona Lisa - Neil Jordan en David Leland
1987: Wish You Were Here - David Leland
- Hope and Glory - John Boorman
- Persoonlijke diensten - David Leland
- Radio Days - Woody Allen
1988: A World Apart - Shawn Slovo
- Au revoir, les enfants - Louis Malle
- A Fish Called Wanda - John Cleese
- Moonstruck - John Patrick Shanley
1989: When Harry Met Sally... - Nora Ephron
- Dead Poets Society - Tom Schulman
- Rain Man - Ronald Bass en Barry Morrow
- Sex, Lies, and Videotape - Steven Soderbergh
1990s
1990: Cinema Paradiso (Nuovo cinema Paradiso) - Giuseppe Tornatore
- Crimes and Misdemeanors - Woody Allen
- Ghost - Bruce Joel Rubin
- Pretty Woman - J.F. Lawton
1991: Truly, Madly, Deeply - Anthony Minghella
- The Fisher King - Richard LaGravenese
- Groene kaart - Peter Weir
- Thelma & Louise - Callie Khouri
1992: Husbands and Wives - Woody Allen
- The Crying Game - Neil Jordan
- Hear My Song - Peter Chelsom en Adrian Dunbar
- Unforgiven - David Webb Peoples
1993: Groundhog Day - Harold Ramis en Danny Rubin
- In the Line of Fire - Jeff Maguire
- The Piano - Jane Campion
- Sleepless in Seattle - Jeff Arch, Nora Ephron en David S. Ward.
1994: Pulp Fiction - Roger Avary en Quentin Tarantino
- De avonturen van Priscilla, koningin van de woestijn - Stephan Elliott
- Four Weddings and a Funeral - Richard Curtis
- Philadelphia - Ron Nyswaner
1995: The Usual Suspects - Christopher McQuarrie
- Bullets Over Broadway - Woody Allen en Douglas McGrath
- Muriel's Wedding - P.J. Hogan
- Se7en - Andrew Kevin Walker
1996: Secrets & Lies - Mike Leigh
1997: Nil by Mouth - Gary Oldman
- Boogie Nights - Paul Thomas Anderson
- The Full Monty - Simon Beaufoy
- Mrs. Brown - Jeremy Brock
1998: The Truman Show - Andrew Niccol
- Elizabeth - Michael Hirst
- Life Is Beautiful (La vita è bella) - Roberto Benigni en Vincenzo Cerami
- Shakespeare in Love - Marc Norman en Tom Stoppard
1999: Being John Malkovich - Charlie Kaufman
- Alles over mijn moeder (Todo sobre mi madre) - Pedro Almodóvar
- American Beauty - Alan Ball
- The Sixth Sense - M. Night Shyamalan
- Topsy-Turvy - Mike Leigh
2000s
2000: Almost Famous - Cameron Crowe
- Billy Elliot - Lee Hall
- Erin Brockovich - Susannah Grant
- Gladiator - David Franzoni, John Logan en William Nicholson
- O Brother, Where Art Thou? - Ethan en Joel Coen
2001: Amélie (Le fabuleux destin d'Amélie Poulain) - Jean-Pierre Jeunet en Guillaume Laurant
- Gosford Park - Julian Fellowes en Steven Zaillian Kenneth Lonergan
- Moulin Rouge! - Baz Luhrmann en Craig Pearce
- The Others - Alejandro Amenábar
- The Royal Tenenbaums - Wes Anderson en Owen Wilson
2002: Talk to Her (Hable con ella) - Pedro Almodóvar
- And Your Mother Too (Y tu mamá también) - Alfonso en Carlos Cuarón
- Dirty Pretty Things - Steven Knight
- Gangs of New York - Jay Cocks Steven Zaillian Kenneth Lonergan
- The Magdalene Sisters - Peter Mullan
2003: The Station Agent - Thomas McCarthy
- 21 Grams - Guillermo Arriaga
- De invasies van de barbaren - Denys Arcand
- Finding Nemo - Bob Peterson, David Reynolds en Andrew Stanton
- Lost in Translation - Sofia Coppola
2004: Eternal Sunshine of the Spotless Mind - Charlie Kaufman
- The Aviator - John Logan
- Collateral - Stuart Beattie
- Ray - James L. White
- Vera Drake - Mike Leigh
2005: Crash - Paul Haggis en Robert Moresco
- Cinderella Man - Akiva Goldsman en Cliff Hollingsworth
- Good Night, and Good Luck - George Clooney en Grant Heslov
- Hotel Rwanda - Terry George en Keir Pearson
- Mevrouw Henderson presenteert - Martin Sherman
2006: Little Miss Sunshine - Michael Arndt
- Babel - Guillermo Arriaga
- Pan's Labyrinth (El laberinto del fauno) - Guillermo del Toro
- De koningin - Peter Morgan
- United 93 - Paul Greengrass
2007: Juno - Diablo Cody
- American Gangster - Steven Zaillian
- Het leven van anderen (Das Leben der Anderen) - Florian Henckel von Donnersmarck
- Michael Clayton - Tony Gilroy
- This Is England - Shane Meadows
2008: In Bruges - Martin McDonagh
- Burn After Reading - Ethan en Joel Coen
- Changeling - J. Michael Straczynski
- I've Loved You So Long (Il y a longtemps que je t'aime) - Philippe Claudel
- Milk - Dustin Lance Black
2009: The Hurt Locker - Mark Boal
- The Hangover - Jon Lucas en Scott Moore
- Inglourious Basterds - Quentin Tarantino
- A Serious Man - Joel Coen en Ethan Coen
- Up - Pete Docter en Bob Peterson
2010s
2010: The King's Speech - David Seidler
- Black Swan - Mark Heyman, Andrés Heinz en John McLaughlin
- The Fighter - Scott Silver, Paul Tamasy en Eric Johnson
- Inception - Christopher Nolan
- The Kids Are All Right - Lisa Cholodenko en Stuart Blumberg
2011: The Artist - Michel Hazanavicius
- Midnight in Paris - Woody Allen
- The Guard - John Michael McDonagh
- The Iron Lady - Abi Morgan
- Bridesmaids - Annie Mumolo, Kristen Wiig