Moses ben Jacob Cordovero (Hebrew: משה קורדובירו Moshe Kordovero; 1522–1570) was a central figure in the historical development of Kabbalah, leader of a mystical school in the Ottoman Empire in 16th-century Safed, located in the modern State of Israel. He is known by the acronym Ramak (רמ״ק).
After the medieval flourishing of Kabbalah, centered on the Zohar, attempts were made to give a complete intellectual system to its theology, such as by Meir ben Ezekiel ibn Gabbai. Influenced by the earlier success of Jewish philosophy in articulating a rational study of Jewish thought, Cordovero produced the first full integration of the previous differing schools in Kabbalistic interpretation. While he was a mystic inspired by the opaque imagery of the Zohar, Cordoverian Kabbalah utilised the conceptual framework of emanating cause and effect from the Infinite to the Finite in systemising Kabbalah, the method of philosophical style discourse he held most effective in describing a process that reflects sequential logic and coherence. His encyclopedic works became a central stage in the development of Kabbalah.