Du Guesclin is a 1949 French historical adventure film directed by Bernard de Latour and starring Fernand Gravey, Junie Astor and Ketti Gallian. The film is a biopic about Bertrand du Guesclin, a baron, Constable of France, and high-ranked officer in the French Army of the 14th Century, who fights in the Hundred Years' War. It is based on the novel Du Guesclin by Roger Vercel. It was filmed at Marseille Studios and on location at the Château de Dinan in Brittany. The film's sets were designed by the art director Jacques Krauss.