Geoffrey de Mandeville

Geoffrey de Mandeville is the name of several important medieval English barons:

• Geoffrey de Mandeville (11th century) (died c. 1100), was one of the great magnates of the reign of William the Conqueror
• Geoffrey de Mandeville, 1st Earl of Essex (died 1144), changed sides several times during the reign of King Stephen; son of William de Mandeville and grandson of the Geoffrey de Mandeville above
• Geoffrey de Mandeville, 2nd Earl of Essex (c. 1130–1166), was one of three sons of the 1st Earl
• Geoffrey FitzGeoffrey de Mandeville, 2nd Earl of Essex (died 1216), opponent of King John of England