Saint Simon the Tanner, also known as Saint Simon the Shoemaker, is the Coptic Orthodox saint associated with the story of the moving the Mokattam Mountain in Cairo, Egypt, during the rule of the Muslim Fatimid Caliph al-Muizz Lideenillah (953–975) while Abraham the Syrian was the Pope of the Coptic Orthodox Church of Alexandria.

Abu Tamim Ma'ad al-Mu'izz li-Din Allah was the fourth Fatimid caliph and the 14th Ismaili imam, reigning from 953 to 975. It was during his caliphate that the center of power of the Fatimid dynasty was moved from Ifriqiya to Egypt. The Fatimids founded the city of Cairo in 969 as the new capital of the Fatimid Caliphate in Egypt.