Alphonse Van Bredenbeck de Châteaubriant (French pronunciation: [alfɔ̃s də ʃatobʁjɑ̃]; 25 March 1877 - 2 May 1951) was a French writer who won the Prix Goncourt in 1911 for his novel Monsieur de Lourdines and Grand prix du roman de l'Académie française for La Brière in 1923.