The Cathedral of the Holy Family, previously Ukrainian Catholic Cathedral of the Holy Family in Exile, is the cathedral of the Ukrainian Greek Catholic Eparchy of the Holy Family of London. It is the seat of the nation's Ukrainian Catholic eparchial bishop, and overlaps in jurisdiction with the Roman Catholic Archdiocese of Westminster, among others.

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. It's 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.