Al-Mansur Muhammad could refer to the following people:
Al-Mansur Nasir al-Din Muhammad, the Ayyubid sultan of Egypt (r. 1198–1200)
Al Mansur Muhammad, Emir of Hama, the Ayyubid emir of Hama (r. 1191–1219)
Al-Mansur Muhammad II, the Ayyubid emir of Hama (r. 1244–1284)
Al-Mansur Muhammad, Sultan of Egypt (1347–1398), the Mamluk sultan of Egypt
Al-Mansur Muhammad, Imam of Yemen (1441–1505), the Zaidi imam of Yemen in the 15th century
Al-Mansur Muhammad bin Abdallah, the Zaidi imam of Yemen in the mid-19th century