Geoffrey II (Breton: Jafrez; Latin: Galfridus, Anglo-Norman: Geoffroy; 23 September 1158 – 19 August 1186) was Duke of Brittany and Earl of Richmond between 1181 and 1186, through his marriage to Constance, Duchess of Brittany. Geoffrey was the fourth of five sons of Henry II of England and Eleanor of Aquitaine.
