Muṣṭafā Pasha al-Nashshār (d. 963/1556) was an Ottoman military commander who played key roles in the Ottoman conquest and early administration of Egypt and Yemen. Of unknown ethnic and regional origin, he held the rank of sarrāj (lit., saddler, a kind of mercenary auxiliary) in the army with which Sulṭān Selim (Selīm) I (r. 918–26/1512–20) conquered Egypt in 922/1517. He remained in Egypt following the conquest and was thus present when the governor, Aḥmed (Aḥmad) Pasha (in office 929–31/1523–5), rebelled against Sulṭān Süleyman …