Arnaud Denis (May 31, 1983 – September 22, 2026) was a French actor, theatre director and playwright. Born in Paris, he studied acting under Jean Périmony and Jean-Laurent Cochet before attending the Conservatoire National Supérieur d'Art Dramatique. In 2003, Denis founded the theatre company Les Compagnons de la Chimère, which he directed for fifteen years. His career was primarily associated with the French stage, where he worked as both an actor and director. Among his notable productions were adaptations and stagings of works by Oscar Wilde, Guy de Maupassant, Gérard Savoisien and Pierre Choderlos de Laclos. His production of Les Liaisons dangereuses received several nominations at the 2025 Molière Awards, and Denis received the Prix du Syndicat de la critique for his direction. He also appeared in film and television, including Vivre! (2009) and Jalil Lespert's Yves Saint Laurent (2014). Denis died in Namur, Belgium, on September 22, 2026, at the age of 43, after several years of severe health problems.