Mustafa II becomes the Ottoman sultan and Caliph of Islam in Istanbul on the death of Ahmed II. Mustafa rules until his abdication in 1703.

Mustafa II (; Ottoman Turkish: مصطفى ثانى Muṣṭafā-yi sānī; 6 February 1664 – 29 December 1703) was the Sultan of the Ottoman Empire from 1695 to 1703.