Belarusian Greek Catholic Church

Belarusian Greek Catholic Church
ClassificationEastern Catholic
GovernanceApostolic Administration
PopeLeo XIV
LeaderArchimandrit Sergiusz Gajek
Priests16
Parishes20
AssociationsCongregation for the Oriental Churches
RegionBelarus
LiturgyByzantine Rite
HeadquartersMarian House, Finchley, England, UK
Origin1596 (first), 1990 (second)
Polish–Lithuanian Commonwealth (first), Belarus (second)
Separated fromRuthenian Orthodox Church (first)
Merger ofUnion of Brest and Ruthenian Uniate Church (first)
Defunct1839 (first)
Membersc. 12,000

The Belarusian Greek Catholic Church, or the Belarusian Byzantine Catholic Church, is one of the 23 Eastern Catholic sui iuris particular churches that are in full communion with the Holy See. It is the heir within Belarus to the Union of Brest and the Ruthenian Uniate Church.