The Eastern Catholic Churches or Oriental Catholic Churches, also called the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous particular churches of the Catholic Church, in full communion with the Pope in Rome. Although they are distinct theologically, liturgically, and historically from the Latin Church, they are all in full communion with it and with each other. Eastern Catholics are a minority within the Catholic Church; of the 1.3 billion Catholics in communion with the Pope, approximately 18 million are members of the eastern churches. The largest numbers of Eastern Catholics may be found in Eastern Europe, Eastern Africa, the Middle East, and India. As of 2022, the Syro-Malabar Church is the largest Eastern Catholic Church, followed by the Ukrainian Greek Catholic Church.
The Ukrainian Greek Catholic Church (UGCC) is a major archiepiscopal sui iuris ("autonomous") Eastern Catholic church that is based in Ukraine. As a particular church of the Catholic Church, it is in full communion with the Holy See. It is the third-largest particular church in the Catholic Church after the Latin Church and the Syro-Malabar Church. The major archbishop presides over the entire Church but is not distinguished with the patriarchal title. The incumbent Major Archbishop is Sviatoslav Shevchuk.
The Syro-Malankara Catholic Church, also known as the Malankara Syrian Catholic Church, is an Eastern Catholic sui iuris particular church in full communion with the worldwide Catholic Church possessing self-governance under the Code of Canons of the Eastern Churches. It is one of the major archiepiscopal churches of the Catholic Church. It is headed by Major Archbishop Baselios Cardinal Cleemis Catholicos of the Major Archdiocese of Trivandrum based in Kerala, India. With more than 1096 parishes, its one of India's biggest church evangelical establishments.
The Ruthenian Greek Catholic Church, also known in the United States as the Byzantine Catholic Church, is a sui iuris (autonomous) Eastern Catholic church based in Eastern Europe and North America. As a particular church of the Catholic Church, it is in full communion with the Holy See. It uses the Byzantine Rite for its liturgies, laws, and cultural identity.
The Ukrainian Orthodox Church of Canada is an Eastern Orthodox church in Canada, primarily consisting of Orthodox Ukrainian Canadians. Its former name was the Ukrainian Greek Orthodox Church of Canada (UGOCC). The Church, currently a metropolis of the Ecumenical Patriarchate of Constantinople, is part of the wider Eastern Orthodox communion, however was created independently in 1918.
The Eparchy of St. Thomas Syro-Malabar Catholic of Chicago, also known as the St. Thomas Syro-Malabar Diocese of Chicago, is a Syro-Malabar Catholic Church ecclesiastical territory or eparchy of the Catholic Church in the United States. Its episcopal seat is the Mar Thoma Sleeha Cathedral in the episcopal see of Chicago in Illinois state.
The Archeparchy of Winnipeg is a Ukrainian Greek Catholic Church ecclesiastical territory or archeparchy of the Catholic Church in Manitoba, a province of Canada. Currently, its archeparch is Lawrence Huculak.
The Eparchy of Edmonton is a Ukrainian Greek Catholic Church ecclesiastical territory or eparchy of the Catholic Church that governs parishes in the Canadian province of Alberta. It uses the Byzantine Rite liturgy in the Ukrainian language and English language. The eparchy's cathedral is St. Josaphat's Cathedral in the episcopal see of Edmonton, Alberta.
The Eparchy of New Westminster is a Ukrainian Greek Catholic Church ecclesiastical territory or eparchy of the Catholic Church in the Canadian province of British Columbia. The eparchy is a suffragan in the ecclesiastical province of the metropolitan Archeparchy of Winnipeg.
The Eparchy of the Holy Family of London is an eparchy of the Ukrainian Greek Catholic Church which is an Eastern Catholic Church that is in full communion with the Holy See. Its territorial remit includes the entirety of the islands of Great Britain and Ireland. The episcopal seat is the Cathedral of the Holy Family in Exile which is situated in the city of London. The incumbent eparch, Kenneth Nowakowski, was appointed on 15 January 2020.
Nicholas James Samra is the eparchial bishop emeritus of the Melkite Catholic Eparchy of Newton in the United States. He is also Apostolic Administrator of the Melkite Greek Catholic Eparchy of Nuestra Señora del Paraíso in Mexico City since 2015. Bishop Samra has written extensively on the subject of ecumenism and the Eastern Catholic Churches.
Roman Danylak was a Canadian Ukrainian Catholic bishop.
Stephen John Kocisko was the first Metropolitan Archbishop of the Byzantine Catholic Metropolitan Church of Pittsburgh, the American branch of the Ruthenian Greek Catholic Church
Kenneth Anthony Adam Nowakowski is the bishop of the Ukrainian Catholic Eparchy of Holy Family of London. He was ordained a priest on August 19, 1989 at St. George's Cathedral in Saskatoon, SK and a bishop on July 24, 2007 in Vancouver, BC. On January 15, 2020, he was appointed as bishop of Ukrainian Catholic Eparchy of Holy Family of London.
The Ukrainian Orthodox Greek Catholic Church (UOGCC) is an unregistered Eastern Independent Catholic religious movement that was established by Basilian priests, predominantly from Slovakia, who schismated from the Ukrainian Greek Catholic Church and declared the creation of the new church in 2009 based in Pidhirtsi, Ukraine.
Sviatoslav Shevchuk is a Ukrainian Catholic prelate who has served as the Major Archbishop of Kyiv–Galicia and Primate of the Ukrainian Greek Catholic Church (UGCC) since 25 March 2011.
Borys Andrij Gudziak is an American prelate of the Catholic Church serving, since 2019, as the Metropolitan-Archbishop of the Ukrainian Catholic Archeparchy of Philadelphia. He founded the Institute of Church History and served as the rector and president of the Ukrainian Catholic University. Gudziak has authored and edited several books on church history, theology, modern church life, and higher education reforms.
Bishop Vasyl Ivasyuk is a Ukrainian Greek Catholic hierarch as an Eparchial Bishop of Ukrainian Catholic Eparchy of Kolomyia since 13 February 2014. Previously he served as an Archiepiscopal Exarch of Odesa-Krym from 28 July 2003 until 13 February 2014 and as an Archiepiscopal Administrator of the Kolomyia – Chernivtsi from 25 May 2013 until 13 February 2014 as a Titular Bishop of Benda.
Mykola Bychok is a Ukrainian Greek Catholic hierarch as the bishop of the Ukrainian Catholic Eparchy of Saints Peter and Paul of Melbourne since June 2020.
Bishop Michael Kwiatkowski is a Canadian Ukrainian Greek Catholic hierarch, who is serving as the fourth Eparchial Bishop of the Ukrainian Catholic Eparchy of New Westminster since 24 August 2023.
