Abdullah ibn Muhammad ibn Ubaid ibn sufyan ibn Abi al-Dunya, Abu bakar, Baghdadi, known by his epithet of Ibn Abi al-Dunya (AH 207/8–281, 823–894 CE) was a Muslim scholar. During his lifetime, he served as a tutor to the Abbasid caliphs, al-Mu’tadid (861–902) and his son, al-Muktafi (878–908).