This is a list of the top-level leaders for religious groups with at least 50,000 adherents, and that led anytime from January 1, 1301, to December 31, 1400. It should likewise only name leaders listed on other articles and lists.
A religious denomination is a subgroup within a religion that operates under a common name, tradition, and identity.
Pope Boniface VIII was pope from 24 December 1294 to his death in 1303. Caetani was of baronial origin with family connections to the papacy. He spent his early career abroad in diplomatic roles.
Pope Benedict XI, born Nicola Boccasini, was Pope from 22 October 1303 to his death on 7 July, 1304. He was also a member of the Order of Preachers.
Pope Clement V, born Raymond Bertrand de Got, was Pope from 5 June 1305 to his death in 1314. He is remembered for suppressing the order of the Knights Templar and allowing the execution of many of its members, and as the Pope who moved the Papacy from Rome to Avignon, ushering in the period known as the Avignon Papacy.
The Ecumenical Patriarchate of Constantinople is one of the fourteen to sixteen autocephalous churches that together compose the Eastern Orthodox Church. It is headed by the Ecumenical Patriarch of Constantinople, currently Bartholomew I, Archbishop of Constantinople.
The Ecumenical Patriarch is the Archbishop of Constantinople–New Rome and ranks as primus inter pares among the heads of the several autocephalous churches that make up the Eastern Orthodox Church. He is widely regarded as the representative and spiritual leader of the 300 million Eastern Orthodox Christians worldwide. The term Ecumenical in the title is a historical reference to the Ecumene, a Greek designation for the civilised world, i.e. the Roman Empire, and it stems from Canon 28 of the Council of Chalcedon.
Al-Mustakfi I was an Abbasid Caliph of Cairo, Egypt for the Mamluk Sultans between 1302 and 1340.
Al-Watiq I was an Abbasid Caliph of Cairo, Egypt for the Mamluk Sultans between 1340 and 1341.
Al-Hakim II was the Abbasid Caliph in Cairo (1341–1352).