| English | Russian |
| Armenian Catholic Church | Армянская католическая церковь (An Eastern rite member of the Roman Catholic church) |
| Bulgarian Catholic Church | Болгарская католическая церковь (An Eastern Catholic church of the Byzantine rite, in communion with Rome since 1859) |
| Byzantine-rite Catholic Church | Греко-Католическая Церковь (Patriotka) |
| Catholic and Apostolic Church | ирвингиты |
| Catholic and Apostolic Church | Католическая и апостольская церковь (The Church founded in 1835 by Edward Irving) |
| Catholic Church | Вселенская церковь (The whole body of Christians as distict from the Churches and sects into which they are divided; Latin Church called itself so after the separation from the Orthodox Church; Western Church under papal jurisdiction) |
| Catholic Church | Западная церковь |
| Catholic Church | Латинская церковь |
| catholic church | католическая церковь |
| Chaldean Catholic Church | Халдейская католическая церковь (Eastern rite church prevalent in Iraq, Iran, and Lebanon, united with the Roman Catholic Church since 1830, and intermittently from 1551) |
| Coptic Catholic Church | Коптская католическая церковь (Eastern Catholic church of the Alexandrian rite in Egypt, in communion with Rome since 1741) |
| Eastern Catholic Church | Униатская церковь |
| Eastern Catholic Church | Восточная католическая церковь (Any of a group of Eastern Christian churches that trace their origins to various ancient Christian bodies in the East but have established union) |
| Greek Catholic Church | Греческая католическая церковь (An Eastern Catholic church of the Byzantine rite, in communion with Rome since the mid-19th century) |
| Holy Orthodox Catholic Apostolic Eastern Church | Святая Православная Кафолическая Апостольская Восточная Церковь |
| Joint International Commission for Theological Dialogue between the Catholic Church and the Oriental Orthodox Churches | Смешанная международная комиссия по богословскому диалогу между Православной Церковью и Римско-Католической Церковью (wikipedia.org 'More) |
| Joint International Commission for Theological Dialogue Between the Catholic Church and the Orthodox Church | Смешанная международная комиссия по богословскому диалогу между Православной Церковью и Римско-Католической Церковью (wikipedia.org 'More) |
| Malabarese Catholic Church | Малабаризская католическая церковь (A Chaldean rite church of southern India that united with Rome after the Portuguese colonization of Goa at the end of the 15th century) |
| Malankarese Catholic Church | Маланкаризская католическая церковь (An Antiochenerite member of the Eastern Catholic church, composed of former members of the Syrian Orthodox Church of Kerala, India, who united with Rome in 1930) |
| Old Catholic Church | Старокатолическая церковь |
| Old Catholic Church Any of the groups of Western Christians who believe themselves to maintain in complete loyalty the doctrine and traditions of the undivided church but who separated from the see of Rome after the first Vatican council of 1869-70 | старокатолицизм |
| Old Catholic Church of The Netherlands | старокатолическая церковь Нидерландов (Small, independent Roman Catholic church that dates from the early 18th century) |
| Orthodox Catholic Church One of the three major doctrinal and jurisdictional groups of Christianity, characterized by its continuity with the apostolic church, its liturgy, and its territorial churches | Православная кафолическая церковь |
| Orthodox Catholic Church | Святая Православная Католическая Апостольская Восточная Церковь |
| Polish National Catholic Church of America | Польская национальная католическая церковь Америки (Old Catholic church that arose in the late 19th and early 20th centuries among Polish immigrants in the United States who left the Roman Catholic church) |
| Roman Catholic Church Church of Roman Catholicism that is characterized by a hierarchic structure of bishops and priests in which doctrinal and disciplinary authority are dependent upon apostolic succession, with the Pope as head of the episcopal college | Римско-католическая церковь |
| Roman Catholic Church of Romania | Римско-католическая церковь Румынии (An Eastern Catholic church of the Byzantine rite, in communion with Rome) |
| Russian Catholic Church | Русская католическая церковь (An Eastern Catholic church of the Byzantine rite, in communion with Rome since the early 20th century) |
| Syrian Catholic Church | Сирийская католическая церковь (An Eastern Catholic church of the Antiochene rite, in communion with Rome since the 17th century) |
| Ukrainian Catholic Church | Украинская католическая церковь (Largest of the Eastern Catholic churches, in communion with Rome since the Union of Brest-Litovsk, 1596) |
