| Bishops |
 Archbishop Paul Rubian
| Born: | 1835.07.22 (Constantinople, Turkiye) | | Consecrated Bishop: | 1900.03.18 | | Died: | 1911.04.16 († 75) |
| Titular Archbishop of Amasea (1900.02.24 – 1911.04.16) Auxiliary Bishop of the Vicariate of Rome of Roma (Italy) (1900.02.24 – 1911.04.16) |
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Bishop Bartolomeo Visinio Rubini, O.F.M. | Born: | 1663.07.11 | | Ordained Priest: | 1697.02.10 | | Consecrated Bishop: | 1729.03.25 | | Died: | 1736.12.05 († 73) |
| Titular Bishop of Pompeiopolis (1729.03.23 – 1736.12.05) Coadjutor Bishop of Anagni (Italy) (1729.03.23 – 1736.12.05) |
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 Archbishop Paolo Rudelli (55)
Titular Archbishop of Mesembria
Substitute for General Affairs of Secretariat of State
Adveniat regnum tuum | Born: | 1970.07.16 (Gazzaniga, Italy) | | Ordained Priest: | 1995.06.10 | | Consecrated Bishop: | 2019.10.04 |
| Priest of Bergamo (Italy) (1995.06.10 – 2019.09.03) Chaplain of His Holiness (2005.07.16 – 2014.10.01) Permanent Observer to Council of Europe (2014.09.20 – 2019.09.03) Observer to International Commission on Civil Status (ICCS) (2014.09.20 – 2019.09.03) Prelate of Honour of His Holiness (2014.10.01 – 2019.09.03) Titular Archbishop of Mesembria (2019.09.03 – ...) Apostolic Nuncio to Zimbabwe (2020.01.25 – 2023.07.19) Apostolic Nuncio to Colombia (2023.07.19 – 2026.03.30) Substitute for General Affairs of Secretariat of State (2026.03.30 – ...) |
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 Bishop George Edward Rueger
| Born: | 1929.09.23 (Worcester, MA, USA) | | Ordained Priest: | 1958.01.06 | | Consecrated Bishop: | 1987.02.25 | | Died: | 2019.04.06 (Worcester, MA, USA † 89) |
| Auxiliary Bishop of Worcester (USA) (1987.01.16 – 2005.01.25) Titular Bishop of Maronana (1987.01.16 – 2019.04.06) |
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 Archbishop Novatus Rugambwa
| Born: | 1957.10.18 (Bukoba, Tanzania) | | Ordained Priest: | 1986.07.06 | | Consecrated Bishop: | 2010.03.18 | | Died: | 2025.09.16 (Roma, Italy † 67) |
| Priest of Bukoba (Tanzania) (1986.07.06 – 2010.02.06) Chaplain of His Holiness (1992.07.24 – 2001.06.05) Prelate of Honour of His Holiness (2001.06.05 – 2010.02.06) Undersecretary of Pontifical Council for the Pastoral Care of Migrants and Itinerant People (2007.06.28 – 2010.02.06) Apostolic Nuncio to São Tomé and Príncipe (2010.02.06 – 2015.03.05) Titular Archbishop of Tagaria (2010.02.06 – 2025.09.16) Apostolic Nuncio to Angola (2010.02.20 – 2015.03.05) Apostolic Nuncio to Honduras (2015.03.05 – 2019.03.29) Apostolic Nuncio to New Zealand (2019.03.29 – 2024.07.27) Apostolic Delegate to Pacific Ocean (2019.03.29 – 2024.07.27) Apostolic Nuncio to Fiji Islands (2019.05.25 – 2024.07.27) Apostolic Nuncio to Palau (2019.05.25 – 2024.07.27) Apostolic Nuncio to Marshall Islands (2019.11.30 – 2024.07.27) Apostolic Nuncio to Kiribati (2019.11.30 – 2024.07.27) Apostolic Nuncio to Nauru (2019.11.30 – 2024.07.27) Apostolic Nuncio to Tonga (2019.11.30 – 2024.07.27) Apostolic Nuncio to Samoa (2020.04.17 – 2024.07.27) Apostolic Nuncio to Cook Island (2021.02.02 – 2024.07.27) Apostolic Nuncio to Micronesia (2021.03.30 – 2024.07.27) |
|
 Bishop Johann Ruger, O.P.
| Titular Bishop of Athyra (1542.08.18 – 1546.01.04) Auxiliary Bishop of Bamberg (Germany) (1542.08.18 – 1546.01.04) |
|
 Bishop Pedro Ruiz de la Camera, O.P.
| Titular Bishop of Salona (1524.04.18 – ?) Auxiliary Bishop of Toledo (Spain) (1524.04.18 – ?) |
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Bishop Joseph John Ruocco Deus caritas est | Born: | 1922.04.21 (Boston, MA, USA) | | Ordained Priest: | 1948.05.06 | | Consecrated Bishop: | 1975.02.11 | | Died: | 1980.07.26 († 58) |
| Titular Bishop of Polignano (1974.12.28 – 1980.07.26) Auxiliary Bishop of Boston (USA) (1974.12.28 – 1980.07.26) |
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Bishop Riccardo Ruotolo |
 Archbishop Jean-Édouard-Lucien Rupp
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Bishop Thomas Ruscher | Born: | 1449 (Germany) | | Consecrated Bishop: | 1503.03.19 | | Died: | 1510.08.13 († 60) |
| Auxiliary Bishop of Mainz (Germany) (1503.02.19 – 1510.08.13) |
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Bishop Pietro Luigi Rusconi | Born: | 1747.11.12 (Bologna, Italy) | | Ordained Priest: | 1771.12.21 | | Consecrated Bishop: | 1801.10.25 | | Died: | 1805.03.29 († 57) |
| Titular Bishop of Amathus (1801.02.23 – 1805.03.29) Auxiliary Bishop of Cesena (Italy) (1801.02.23 – 1805.03.29) |
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Archbishop Paul Fitzpatrick Russell (陸思道) (66) Titular Archbishop of Novi
Auxiliary Bishop of Detroit (USA)
Cor ad cor loquitur | Born: | 1959.05.02 (Greenfield, MA, USA) | | Ordained Priest: | 1987.06.20 | | Consecrated Bishop: | 2016.06.03 |
| Priest of Boston (USA) (1987.06.20 – 2016.03.19) Chaplain of His Holiness (1999.06.08 – 2007.07.06) Prelate of Honour of His Holiness (2007.07.06 – 2016.03.19) Chargé d’affaires in China (2008 – 2016.03.19) Apostolic Nuncio to Turkiye (2016.03.19 – 2022.02.02) Apostolic Nuncio to Turkmenistan (2016.03.19 – 2022.05.23) Titular Archbishop of Novi (2016.03.19 – ...) Apostolic Nuncio to Azerbaigian (2018.04.07 – 2022.02.14) Auxiliary Bishop of Detroit (USA) (2022.05.23 – ...) |
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Archbishop Luciano Russo (62) Titular Archbishop of Monteverde
Secretary for Pontifical Representations of Secretariat of State
Vice-Grand Chancellor of Pontifical Ecclesiastical Academy
| Born: | 1963.06.23 (Lusciano, Italy) | | Ordained Priest: | 1988.10.01 | | Consecrated Bishop: | 2012.04.14 |
| Priest of Aversa (Italy) (1988.10.01 – 2012.01.27) Chaplain of His Holiness (1996.07.06 – 2006.07.01) Prelate of Honour of His Holiness (2006.07.01 – 2012.01.27) Titular Archbishop of Monteverde (2012.01.27 – ...) Apostolic Nuncio to Rwanda (2012.02.16 – 2016.06.14) Apostolic Nuncio to Algeria (2016.06.14 – 2020.08.22) Apostolic Nuncio to Tunisia (2016.06.14 – 2020.08.22) Apostolic Nuncio to Panama (2020.08.22 – 2021.12.18) Apostolic Nuncio to Uruguay (2021.12.18 – 2022.09.10) Secretary for Pontifical Representations of Secretariat of State (2022.09.10 – ...) Vice-Grand Chancellor of Pontifical Ecclesiastical Academy (2025.07.30 – ...) |
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 Archbishop Kazimierz Ruszkiewicz
| Born: | 1836.01.06 (Dzięciołówka, Poland) | | Ordained Priest: | 1858.12.11 | | Consecrated Bishop: | 1884.07.06 | | Died: | 1925.03.25 († 89) |
| Titular Bishop of Berisa (1884.03.24 – 1917.11.02) Auxiliary Bishop of Warszawa (Poland) (1884.03.24 – 1925.03.25) Titular Archbishop of Nacolia (1917.11.02 – 1925.03.25) |
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Bishop Enrique Rutil |
Bishop Gerald Augustine John Ryan | Born: | 1923.08.24 (Brooklyn, NY, USA) | | Ordained Priest: | 1950.06.03 | | Consecrated Bishop: | 1977.05.09 | | Died: | 1985.06.04 (Brentwood, NY, USA † 61) |
| Titular Bishop of Munatiana (1977.02.28 – 1985.06.04) Auxiliary Bishop of Rockville Centre (USA) (1977.02.28 – 1985.06.04) |
|
 Bishop James Ryan
| Born: | 1806 (Glen, Ireland) | | Ordained Priest: | 1830 | | Consecrated Bishop: | 1872.02.04 | | Died: | 1889.07.20 († 82) |
| Titular Bishop of Echinus (1871.11.21 – 1889.07.20) Coadjutor Bishop of Killaloe (Ireland) (1871.11.21 – 1889.07.20) |
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Bishop Paolo Ceslao Rydzewski | Born: | 1893.01.25 (Rajgrod, Poland) | | Ordained Priest: | 1917.06.10 | | Consecrated Bishop: | 1947.04.13 | | Died: | 1951.08.22 († 58) |
| Titular Bishop of Chusira (1946.12.06 – 1951.08.22) Auxiliary Bishop of Łomża (Poland) (1946.12.06 – 1951.08.22) |
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Bishop Paweł Rzewuski | Born: | 1804.01.12 (Telaki, Poland) | | Ordained Priest: | 1827.07.22 | | Died: | 1892.10.22 († 88) |
| Titular Bishop of Prusias (1863.03.16 – 1892.10.22) Auxiliary Bishop of Warszawa (Poland) (1863.03.16 – 1892.10.22) |
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