This is a graphical list of the popes of the Catholic Church. While the term pope (Latin: Papa, 'Father') is used in several churches to denote their high spiritual leaders, in English usage, this title generally refers to the supreme head of the Catholic Church and of the Holy See.The title itself has been used officially by the head of the Church since the tenure of Pope Siricius.

Pope Paul VI (1963–1978), however, continued the ecumenical efforts of Pope John XXIII in his contacts with Protestant and Orthodox churches. Pope Paul VI faced criticism throughout his papacy from both traditionalists and liberals for steering a middle course during Vatican II and in the course of the implementation of its reforms thereafter.

According to Pope John Paul II's Address to the Roman Rota on 22 January 1996, couples do not have a right to an annulment, but do have a right to make their case for nullity or validity before "the competent Church authority and to request a decision in the matter." According to the Catholic Diocese of Arlington: