Ala al-Din Muhammad
Ala al-Din Muhammad ( ʿAlāʾ al-Dīn Muhammad) may refer to:

Muhammad II of Khwarazm, ruler of the Khwarezmian Empire from 1200 to 1220
Muhammad III of Alamut, Nizari Isma'ili Imam
Alauddin Muhammad Da'ud Syah II
Alauddin Mahmud Syah II