The Ali ebn-e Sahl mausoleum is a historical mausoleum in Isfahan, Iran. The mystic Abolhassan Ali ebn-e Sahl Azhar Esfahani lived in the era of the Al-Mu'tadid, the Abbasid caliph. He had a khanqah and a school in the north of the Toghchi cemetery. He died in 894 in Isfahan and was buried in his khanqah. The Ali ebn-e Sahl mausoleum became a meeting place of mystics and dervishes. At present the mausoleum belongs to the Khaksari dervishes. the mausoleum has a vast garden. The larger part of the garden is under the possession of the Welfare Organisation.