Walter VI of Brienne (née: Gaulterio de Candia, VI Comte de Brienne, c. 1304 – 19 September 1356) was Count of Brienne, Conversano, and Lecce, and titular Duke of Athens. Walter was the son of Walter V, Duke of Athens, and Jeanne de Châtillon (died 1354), the daughter of the Count of Porcien, Constable to King Philip IV of France.