Simon de Montfort (disambiguation)

Simon de Montfort, 6th Earl of Leicester (c. 1208 – 1265), known as Simon V or VI de Montfort, was an Anglo-French nobleman who led the rebellion against King Henry III.

Simon de Montfort may also refer to:
 * Simon I de Montfort (c. 1025–1087), Lord of Montfort l'Amaury
 * Simon II de Montfort (c. 1068–1104), Lord of Montfort l'Amaury, son of Simon I
 * Simon III de Montfort (1117–1181), Count of Évreux and Lord of Montfort l'Amaury, nephew of Simon II
 * Simon de Montfort (died 1188) or Simon IV de Montfort, Lord of Montfort l'Amaury, son of Simon III
 * Simon de Montfort, 5th Earl of Leicester (c. 1175–1218), also known as Simon de Montfort the Elder, a military leader in the Fourth Crusade and the Albigensian Crusade
 * Simon de Montfort the Younger (1240–1271), second son of the 6th Earl