The César Award for Best Writing was awarded from 1986 to 2005.
| Year | Winners and nominees | Original title | Writer(s) |
|---|
2006
(31st) | Live and Become | Va, vis et deviens | Alain-Michel Blanc and Radu Mihaileanu |
| The Child | L'enfant | Jean-Pierre and Luc Dardenne |
| Hidden | Caché | Michael Haneke |
| Merry Christmas | Joyeux Noël | Christian Carion |
| The Young Lieutenant | Le petit lieutenant | Xavier Beauvois, Guillaume Bréaud and Jean-Eric Troubat |
2007
(32nd) | Days of Glory | Indigènes | Rachid Bouchareb and Olivier Lorelle |
| Jean-Philippe | Laurent Tuel and Christophe Turpin |
| Orchestra Seats (a.k.a. Avenue Montaigne) | Fauteuils d'orchestre | Christopher and Danièle Thompson |
| When I Was a Singer (a.k.a. The Singer) | Quand j'étais chanteur | Xavier Giannoli |
| You Are So Beautiful | Je vous trouve très beau | Isabelle Mergault |
2008
(33rd) | The Secret of the Grain | La graine et la mulet | Abdel Kechiche |
| 2 Days in Paris | Julie Delpy |
| Molière | Laurent Tirard and Grégoire Vigneron |
| Those Who Remain | Ceux qui restent | Anne Le Ny |
| La Vie en Rose | La môme | Olivier Dahan |
2009
(34th) | Séraphine | Marc Abdelnour and Martin Provost |
| A Christmas Tale | Un conte de Noël | Emmanuel Bourdieu and Arnaud Desplechin |
| The First Day of the Rest of Your Life | Le premier jour du reste de ta vie | Rémi Bezançon |
| I've Loved You So Long | Il y a longtemps que je t'aime | Philippe Claudel |
| Welcome to the Sticks | Bienvenue chez les Ch'tis | Dany Boon, Alexandre Charlot and Franck Magnier |
| Year | Winners and nominees | Original title | Writer(s) |
|---|
2010
(35th) | A Prophet | Un prophète | Jacques Audiard, Thomas Bidegain, Abdel Raouf Dafri and Nicolas Peufaillit |
| In the Beginning | À l'origine | Xavier Giannoli |
| Skirt Day | La Journée de la jupe | Jean-Paul Lilienfeld |
| Welcome | Philippe Lioret, Emmanuel Courcol and Olivier Adam |
| Le Concert | Radu Mihăileanu and Alain-Michel Blanc |
2011
(36th) | The Names of Love | Le Nom des gens | Baya Kasmi and Michel Leclerc |
| On Tour | Tournée | Mathieu Amalric, Philippe Di Folco, Marcelo Novias Teles and Raphaëlle Valbrune |
| The Clink of Ice | Le Bruit des glaçons | Bertrand Blier |
| Of Gods and Men | Des hommes et des dieux | Étienne Comar and Xavier Beauvois |
| Mammuth | Benoît Delépine and Gustave Kervern |
2012
(37th) | The Minister | L'Exercice de l'État | Pierre Schöller |
| Declaration of War | La Guerre est déclarée | Valérie Donzelli and Jérémie Elkaïm |
| The Artist | Michel Hazanavicius |
| Polisse | Maïwenn and Emmanuelle Bercot |
| The Intouchables | Intouchables | Olivier Nakache & Éric Toledano |
2013
(38th) | Amour | Michael Haneke |
| Holy Motors | Leos Carax |
| Camille Rewinds | Camille redouble | Noémie Lvovsky, Florence Seyvos, Maud Ameline and Pierre-Olivier Mattei |
| Granny's Funeral | Adieu Berthe, l'enterrement de mémé | Bruno Podalydès and Denis Podalydès |
| A Few Hours of Spring | Quelques heures de printemps | Floence Vignon and Stéphane Brizé |
2014
(39th) | 9 Month Stretch | Neuf mois ferme | Albert Dupontel |
| Suzanne | Mariette Désert and Katell Quillévéré |
| The Past | Le Passé | Asghar Farhadi |
| Stranger by the Lake | L'Inconnu du lac | Alain Guiraudie |
| Cycling with Moliere | Alceste à bicyclette | Philippe Le Guay |
2015
(40th) | Timbuktu | Abderrahmane Sissako and Kessen Tall |
| The Bélier Family | La Famille Bélier | Victoria Bedos, Stanislas Carré de Malberg, Eric Lartigau and Thomas Bidegain |
| Love at First Fight | Les Combattants | Thomas Cailley and Claude Le Pape |
| Hippocrates | Hippocrate | Thomas Lilti, Baya Kasmi, Julien Lilti and Pierre Chosson |
| Clouds of Sils Maria | Sils Maria | Olivier Assayas |
2016
(41st) |
| Mustang | Deniz Gamze Ergüven and Alice Winocour |
| Dheepan | Jacques Audiard, Thomas Bidegain and Noé Debré |
| Marguerite | Xavier Giannoli |
| Standing Tall | La Tête haute | Emmanuelle Bercot and Marcia Romano |
| My Golden Days | Trois souvenirs de ma jeunesse | Arnaud Desplechin and Julie Peyr |
2017
(42nd) |
| The Aquatic Effect | L'Effet aquatique | Sólveig Anspach and Jean-Luc Gaget |
| Divines | Romain Compingt, Houda Benyamina and Malik Rumeau |
| The Innocents | Les Innocentes | Sabrina B. Karine, Alice Vial, Pascal Bonitzer and Anne Fontaine |
| Slack Bay | Ma Loute | Bruno Dumont |
| In Bed with Victoria | Victoria | Justine Triet |
2018
(43rd) |
| BPM (Beats per Minute) | 120 battements par minute | Robin Campillo |
| Barbara | Mathieu Amalric and Philippe Di Folco |
| Raw | Grave | Julia Ducournau |
| Bloody Milk | Petit paysan | Claude Le Pape and Hubert Charuel |
| C'est la vie! | Le Sens de la fête | Olivier Nakache & Éric Toledano |