Alauddin Ri'ayat Syah Sayyid al-Mukammal

Alauddin Ri'ayat Syah Sayyid al-Mukammal
Alauddin Ri'ayat Syah, surrounded by his female guards depicted by Theodor de Bry, 1604 engraving
Sulṭān of Acèh Darussalam
Reign	28 June 1589–1605
Predecessor	Sultan Buyung
Successor	Ali Ri'ayat Syah III
Born	Banda Aceh, Aceh Sultanate (now Indonesia)
Died	1605 Banda Aceh, Aceh Sultanate (now Indonesia)
Issue	Maharaja Diraja Ali Ri'ayat Syah III Sultan Husain Sultan Abangta Merah Upah Raja Puteri Puteri Raja Inderabangsa
House	Darul Kamal
Father	Almalik Firman Syah bin Muzaffar Syah

Sultan Alauddin Ri'ayat Syah Sayyid al-Mukammal (died 1605) was the tenth Sultan of Aceh in northern Sumatra, ruling from 1589 to 1604. His reign is important since it saw the arrival of three new European powers to the region of the Melaka Straits: the Dutch, English and French.