Al-Malik al-Ashraf Sayf ad-Din Abu an-Nasr Inal al-'Ala'i az-Zahiri an-Nasiri al-Ajrud (better known as Sayf ad-Din Inal also spelled Saif ad-Din Aynal) (1381 – 26 February 1461) was the 13th Burji Mamluk sultan of Egypt, ruling between 1453–1461.