Joannes Bunderius (or van der Bundere; 1482 – 8 January 1557) was a Flemish Catholic theologian and critic of Protestantism. He was born and died in Ghent. He entered the Dominican Order in his native city about 1500, and after having made his religious profession was sent to Leuven to pursue his studies in philosophy and theology. He obtained the degree of Lector in Sacred Theology, and in 1517 returned to Ghent, where, until near the close of his life, he taught philosophy and theology. While occupied in teaching he filled the office of Prior of the convent of Ghent three times (1529–35; 1550–53), and discharged the duties of General Inquisitor of the Roman Catholic Diocese of Tournai. As inquisitor he was untiring in his efforts to check the spread of Lutheranism, Calvinism, and the vie