| Simon II de Montfort | |
| Seigneur of Montfort | |
| Reign: | 1092-1104 |
| Predecessor: | Richard de Montfort |
| Successor: | Amaury III of Montfort |
| Noble Family: | House of Montfort |
| Father: | Simon I de Montfort |
| Mother: | Agnès d'Évreux |
| Birth Date: | 1068 |
| Death Date: | 25 September 1104 |
Simon II de Montfort (Montfort l'Amaury, Ile de France, France – 25 September 1104) was the son of Simon I de Montfort (c. 1025–1087) and Agnès d'Évreux (c. 1030–c. 1087).[1]
He succeeded his brother Richard de Montfort in 1092 as lord of Montfort-l'Amaury. In 1098, he had to sustain a siege led by William II Rufus, King of England and guardian of Normandy in the absence of Robert Curthose, gone to crusade, and Simon successfully fought it off.[2] He died without an heir and left Montfort to his brother, Amaury III.