| Bishops |
 Archbishop Josip Žabkar
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 Bishop Stefan Zacalnizi
Titular Bishop of Scopien (1554.08.03 – ?) Auxiliary Bishop of Eger (Hungary) (1554.08.03 – ?) |
 Archbishop Cesare Zacchi
| Born: | 1914.11.28 (Italy) | | Ordained Priest: | 1937.10.17 | | Consecrated Bishop: | 1967.12.12 | | Died: | 1991.08.24 († 76) |
| Titular Bishop of Zella (1967.09.16 – 1974.05.24) Apostolic Nuncio to Cuba (1974.05.24 – 1975.06.01) Titular Archbishop of Maura (1974.05.24 – 1991.08.24) President of Pontifical Ecclesiastical Academy (1975.06.01 – 1985.06.08) |
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 Bishop Grzegorz Zachariasiewicz, S.J.
| Born: | 1740.06.20 (Ukraine) | | Consecrated Bishop: | 1809.07.03 | | Died: | 1814.05.16 († 73) |
| Titular Bishop of Corycus (1809.03.27 – 1814.05.16) Auxiliary Bishop of Gniezno (Poland) (1809.03.27 – 1814.05.16) |
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 Bishop Krzysztof Zadarko (65)
Titular Bishop of Cavaillon
Auxiliary Bishop of Koszalin–Kołobrzeg (Poland)
Amen Bogu na chwałę |
Archbishop Marcello Zago, O.M.I. |
 Bishop Fridolín Zahradník (Ruthenian Rite)
| Born: | 1935.09.16 (Rychnov, Czechia) | | Ordained Priest: | 1969.11.19 | | Consecrated Bishop: | 1970.10.24 (clandestinely) | | Died: | 2015.11.19 (Rychnov, Czechia † 80) |
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 Bishop Jan Zając (86)
Titular Bishop of Taddua
Auxiliary Bishop emeritus of Kraków (Poland)
Wstańcie, chodźmy | Born: | 1939.06.20 (Libiąż, Poland) | | Ordained Priest: | 1963.06.23 | | Consecrated Bishop: | 2004.09.15 |
| Priest of Kraków (Poland) (1963.06.23 – 2004.08.14) Auxiliary Bishop of Kraków (Poland) (2004.08.14 – 2014.10.07) Titular Bishop of Taddua (2004.08.14 – ...) |
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 Bishop Franciszek Zajerski
| Born: | 1561 | | Consecrated Bishop: | 1622.10.09 | | Died: | 1631 († 70) |
| Titular Bishop of Argos (1622.02.21 – 1631) Auxiliary Bishop of Luck (Ukraine) (1622.02.21 – 1631) |
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Bishop Adrian Zakowski, O.P. | Titular Bishop of Ænos (1531.04.17 – 1540?) Auxiliary Bishop of Poznań (Poland) (1531.04.17 – 1540?) |
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Bishop Dariusz Zalewski (51) Titular Bishop of Hólar
Auxiliary Bishop of Ełk (Poland)
Gloria Deo propter omnia | Born: | 1974.01.29 (Augustów, Poland) | | Ordained Priest: | 2000.05.20 | | Consecrated Bishop: | 2022.10.29 |
| Priest of Ełk (Poland) (2000.05.20 – 2022.09.24) Titular Bishop of Hólar (2022.09.24 – ...) Auxiliary Bishop of Ełk (Poland) (2022.09.24 – ...) |
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Bishop Marcin Załuski | Born: | 1655.11 | | Consecrated Bishop: | 1696.09.30 | | Died: | 1710? († 55) |
| Titular Bishop of Rosmen (1696.08.13 – 1710?) Auxiliary Bishop of Płock (Poland) (1696.08.13 – 1710?) |
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Bishop Marcin Załuski | Born: | 1700.12 | | Ordained Priest: | 1728.09.26 | | Consecrated Bishop: | 1732.09.07 | | Died: | 1767.06.17 († 66) |
| Titular Bishop of Draso (1732.05.07 – 1763.11.12) Auxiliary Bishop of Płock (Poland) (1732.05.07 – 1763.11.12) |
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Bishop Pawel Antoni Załuski | Born: | 1665 | | Consecrated Bishop: | 1711.07.19 | | Died: | 1719? († 54) |
| Titular Bishop of Alba (1710.05.19 – 1719?) Auxiliary Bishop of Płock (Poland) (1710.05.19 – 1719?) |
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Bishop Franciszek Remigiusz Zambrzycki | Born: | 1746.10.02? | | Ordained Priest: | 1769.12.17 | | Consecrated Bishop: | 1782.05.26 | | Died: | 1826 († 80) |
| Titular Bishop of Dardanus (1781.12.10 – 1826) Auxiliary Bishop of Kyiv–Černihiv (Ukraine) (1781.12.10 – 1826) |
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Bishop Francisco Zamora, O.F.M. Conv. Titular Bishop of Brefny (1523.11.26 – ?) |
Bishop Agostino Zampini, O.E.S.A. |
 Bishop Paulus Zandinus
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Bishop Oscar Zanera | Born: | 1915.02.14 (Italy) | | Ordained Priest: | 1940.02.03 | | Consecrated Bishop: | 1966.03.19 | | Died: | 1980.12.19 († 65) |
| Titular Bishop of Surista (1966.02.11 – 1980.12.19) Auxiliary Bishop of the Vicariate of Rome of Roma (Italy) (1966.02.11 – 1980.12.19) |
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Bishop Antonio Zanetti |
 Archbishop Angelo Vincenzo Zani (75)
Titular Archbishop of Volturno
Librarian emeritus of Vatican Apostolic Library
Archivist emeritus of Vatican Apostolic Archive
Unus magister vester |
 Archbishop Mario Zanin (蔡寧)
| Born: | 1890.04.03 (Feltre, Italy) | | Ordained Priest: | 1913.07.03 | | Consecrated Bishop: | 1934.01.07 | | Died: | 1958.08.04 (Buenos Aires, Argentina † 68) |
| Titular Archbishop of Trajanopolis in Rhodope (1933.11.28 – 1958.08.04) Apostolic Administrator of Harbin 哈爾濱 (China) (1934.01.07 – 1946) Apostolic Delegate to China (1934.01.07 – 1946) Apostolic Nuncio to Chile (1947.03.21 – 1953.02.07) Apostolic Nuncio to Argentina (1953.02.07 – 1958.08.04) |
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Archbishop Lino Zanini Per ignem et aquam |
 Bishop Luigi Zanzottera, O.S.J.
| Born: | 1926.03.11 (Italy) | | Ordained Priest: | 1954.07.04 | | Consecrated Bishop: | 1969.04.20 | | Died: | 2005.01.18 († 78) |
| Auxiliary Bishop of Huaraz (Peru) (1969.03.13 – 1970.05.31) Titular Bishop of Obori (1969.03.13 – 2005.01.18) |
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 Bishop Juan José Marcos Zapata
| Born: | 1866.06.23 (Argentina) | | Ordained Priest: | 1890.04.17 | | Consecrated Bishop: | 1914.03.29 | | Died: | 1951.05.13 († 84) |
| Titular Bishop of Castabala (1913.05.30 – 1951.05.13) Auxiliary Bishop of San Juan de Cuyo (Argentina) (1913.05.30 – 1951.05.13) |
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Bishop Frantisek Zapletal | Born: | 1861.07.18 | | Ordained Priest: | 1884.04.12 | | Consecrated Bishop: | 1933.03.19 | | Died: | 1935.08.20 († 74) |
| Titular Bishop of Salona (1933.01.20 – 1935.08.20) Auxiliary Bishop of Praha (Czechia) (1933.01.20 – 1935.08.20) |
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Bishop Longinus Żarnowiecki | Born: | 1842.03.15 | | Ordained Priest: | 1866.03.12 | | Consecrated Bishop: | 1910.06.12 | | Died: | 1915.10.05 († 73) |
| Titular Bishop of Mosynopolis (1910.04.07 – 1915.10.05) Auxiliary Bishop of Lutsk and Zytomierz (Ukraine) (1910.04.07 – 1915.10.05) |
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Bishop Stanisław Żarnowiecki | Born: | 1741.05.21 | | Consecrated Bishop: | 1806.04.06 | | Died: | 1808.01.05 († 66) |
| Titular Bishop of Leuca (1805.06.26 – 1808.01.05) Auxiliary Bishop of Poznań (Poland) (1805.06.26 – 1808.01.05) |
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Archbishop Domenico Zauli | Born: | 1638? | | Consecrated Bishop: | 1690.03.12 | | Died: | 1722.03.01 († 83) |
| Bishop of Veroli (Italy) (1690.03.06 – 1708.04.28) Titular Archbishop of Theodosia (1709.05.06 – 1722.03.01) |
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 Bishop Gabino Zavala (74)
Titular Bishop of Tamascani
Auxiliary Bishop emeritus of Los Angeles (USA)
| Born: | 1951.09.07 (Tijuana, Mexico) | | Ordained Priest: | 1977.05.28 | | Consecrated Bishop: | 1994.03.19 |
| Priest of Los Angeles (USA) (1977.05.28 – 1994.02.08) Auxiliary Bishop of Los Angeles (USA) (1994.02.08 – 2012.01.04) Titular Bishop of Tamascani (1994.02.08 – ...) |
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Bishop Tadeusz Józef Zawistowski Laus Deo Pax hominibus | Born: | 1930.01.16 (Poland) | | Ordained Priest: | 1955.07.03 | | Consecrated Bishop: | 1973.06.29 | | Died: | 2015.06.01 († 85) |
| Auxiliary Bishop of Łomża (Poland) (1973.05.12 – 2006.02.11) Titular Bishop of Hospita (1973.05.12 – 2015.06.01) |
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 Bishop Franciszek Kazimierz Dowgiałło Zawisza
| Born: | 1702.06.09 | | Ordained Priest: | 1725.10.28 | | Consecrated Bishop: | 1744.07.19 | | Died: | 1766 († 64) |
| Titular Bishop of Evaria (1744.04.13 – 1766) Auxiliary Bishop of Inflanty (Latvia) (1744.04.13 – 1766) |
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Bishop Józef Zawitkowski Servus et filius ancillæ | Born: | 1938.11.23 (Wal, Poland) | | Ordained Priest: | 1962.05.20 | | Consecrated Bishop: | 1990.06.09 | | Died: | 2020.10.29 (Warszawa, Poland † 81) |
| Auxiliary Bishop of Warszawa (Poland) (1990.05.26 – 1992.03.25) Titular Bishop of Ausana (1990.05.26 – 2020.10.29) Auxiliary Bishop of Łowicz (Poland) (1992.03.25 – 2013.12.09) |
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 Bishop Ludwik Feliks Zdanowicz
| Born: | 1814.05.18 (Lithuania) | | Ordained Priest: | 1837.06.12 | | Consecrated Bishop: | 1890.05.11 | | Died: | 1896.12.28 († 82) |
| Titular Bishop of Dionysias (1889.12.30 – 1896.12.28) |
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