Mahmud Ri’ayat Shah Zilu’llah fil’Alam Khalifat ul-Muminin ibni al-Marhum Sultan ‘Abdu’l Jalil Shah (24 March 1756–1811) was the 15th Sultan and Yang di-Pertuan Besar of Johor of the Old Johor Sultanate Empire and their dependencies who reigned from 1770 to 1811.[citation needed]