The St. Louis Film Critics Association Award for Best Original Screenplay is an annual film award given by the St. Louis Film Critics Association since 2010. Together with the St. Louis Film Critics Association Award for Best Adapted Screenplay, it replaced the integrated St. Louis Film Critics Association Award for Best Screenplay (2004–2009).

Winners

2010s YearWinnerWriter(s)2010 The King's Speech David Seidler2011 The Artist Michel Hazanavicius2012 Zero Dark Thirty Mark Boal2013 Her Spike Jonze2014 Birdman or (The Unexpected Virtue of Ignorance) Alejandro G. Iñárritu, Nicolás Giacobone, Alexander Dinelaris Jr., and Armando Bo2015 Spotlight Tom McCarthy and Josh Singer2016 Hell or High Water Taylor Sheridan2017 The Shape of Water Guillermo del Toro and Vanessa Taylor2018 Vice Adam McKay2019 Marriage Story Noah Baumbach

2020s YearWinnerWriter(s)2020 Promising Young Woman Emerald Fennell 2021 Mass Fran Kranz 2022 The Banshees of Inisherin Martin McDonagh Everything Everywhere All At Once Daniel Kwan and Daniel Schienert2023 Barbie Greta Gerwig and Noah Baumbach2024 Saturday Night Gil Kenan and Jason Reitman2025 Weapons Zach Cregger

References