Ageltrude was a 9th-century empress and queen who held significant political influence during the late Carolingian era. As the wife of Guy of Spoleto, she attained the title of Holy Roman Empress after her husband's coronation in 891. Following his death in 894, she served as regent for her young son, Lambert. Throughout her time in power, she actively managed political affairs in Italy and Rome, working to secure the interests of her family against rival claimants.