Al-Ashraf Muzaffar ad-Din Musa (Arabic:الأشرف مظفر الدين موسى) was the last, albeit titular,AyyubidSultan of Egypt as the puppet ofIzz ad-Din Aybak.

The family origins of Al-Ashraf Musa are not entirely clear. According to Lane-Poole, Al-Ashraf Musa was a descendant ofSaladin and the great grandson ofAz-Zahir Ghazi, Amir of Aleppo, who had struggled againstAl-Adil for supremacy in the Ayyubid domains. His grandfather, the son of Az-Zahir, was al-Aziz Mohammad, also Amir of Aleppo, while his father, son of al-Aziz, wasAn-Nasir Yusuf, Amir of Aleppo, and later Damascus.^[1] However, if this were the case he would have been titular head of a government in Egypt which was fighting his own father. According to other sources he was the son of Yusuf, and grandson ofal-Mas'ud Yusuf. Al-Mas'ud Yusuf, the son of SultanAl-Kamil of Egypt, was the last Ayyubid ruler of Yemen. After the Ayyubids were expelled from Yemen his family moved to Cairo.

Ayyubid rule in Egypt had effectively come to an end in 1250 when theMamluks murderedAl-Muazzam Turanshah. For a brief periodShajar ad-Durr ruled as Sultana, but she was soon replaced byIzz ad-Din Aybak. The murder of Turanshah meant that while the Mamluks controlled Egypt, the Ayyubid family remained in control of the Emirates in Palestine and Syria. Mamluk rule in Egypt was not secure, and following the death of Turanshah, the AyyubidAn-Nasir Yusuf, ruler of Aleppo, was welcomed into Damascus and began preparations to send an army into Egypt to make himself Sultan. The Mamluks understood that if he reached Cairo he would find enough of a welcome to seriously threaten their power. For this reason, they decided it would be prudent to have a nominal Ayyubid Sultan in power in Cairo, to give their rule a veneer of legitimacy. For this reason Aybak stood down after less than a week as Sultan, and the six-year-old Al-Ashraf Musa, was proclaimed Sultan in his place.^[2]

An-Nasir Yusuf's assaults on Egypt were repelled, and in 1253 an agreement was reached whereby he withdrew, leaving Egypt in Mamluk control. In 1254, a new potential threat to Aybak's rule emerged whenFaris ad-Din Aktai, leader of the Bahri Mamluks, asked permission to move into the citadel of Cairo with his future wife, who was the sister of the Ayyubid ruler al-Malik al-Mansour of Hama. Sensing that Aktai would use this marriage to give himself legitimacy as Sultan, Aybak had him murdered. After this, Aybak resolved to rule on his own authority and decided he had no further need of a titular Ayyubid Sultan on whose behalf he claimed to act. Thereafter he deposed al-Ashraf Musa and sent him back to live with his aunt, proclaiming himself Sultan a second time.^[3]

• Other Al-Ashraf Musas

• Sunni Muslims
• 13th-century Ayyubid sultans of Egypt
• Ayyubid sultans of Egypt
• Medieval child monarchs
• 13th-century Egyptian people
• 13th-century Muslims

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• Date of birth unknown