Keumalahayati (1585-1604) was an admiral in the navy of the Aceh Sultanate. She was the first woman admiral in the modern world (if Artemisia I is not included). Her troops were drawn from Aceh's widows and the army named the "Inong Balee", after the Inong Balee Fortress near the city of Banda Aceh. She was a daughter of Admiral Machmud Syah of (Aceh Empire). After graduating from Pesantren, an Islamic school, and at Aceh Royal Military Academy, known as Ma’had Baitul Maqdis.