 Abu al-Mafakhir of Banten

Sultan Abu al-Mafakhir Mahmud Abdulkadir or better known as Pangeran Ratu (died 1651) was the ruler of Banten in Northwest Java, Indonesia, and was the first ruler anywhere on the island of Java to take the title of sultan, which he took in 1638, under the Arabic name Abulmafakhir Mahmud Abdulkadir.This set a precedent for Sultan Agung of Mataram soon afterwards to take the title himself.