Walter IV the Great of Brienne (French: Gauthier IV le Grand de Brienne (1205–1244) was Count of Brienne 1205–1244. He was the son of Walter III of Brienne and Elvira (Albiria, Albina, Blanche, Mary) of Lecce. Around the time of his birth, his father lost his bid for the Sicilian throne and died in prison.