| Bishop Joannes Nicastro |
| Bishop Nicola |
| Bishop Nicola |
| Archbishop Nicola Titular Archbishop of Tyrus (? – ?) |
 Bishop Anton Nicolai, O.F.M. Consecrated Bishop:1470.08.05Died:1474Titular Bishop of Athyra (1469.06.23 – 1474)Auxiliary Bishop of Gniezno (Poland) (1469.06.23 – 1474) |
| Bishop Nicolás, O.F.M. |
| Bishop Nicolas Consecrated Bishop:1440.01.24Titular Bishop of Tripolis (1439.12.23 – ?) |
 Bishop Carlos Alberto Nicolini Born:1941.02.21 (Uruguay)Ordained Priest:1964.08.15Consecrated Bishop:1977.12.08Died:1988.06.19 († 47)Titular Bishop of Lilibeo (1977.10.28 – 1984.12.29)Auxiliary Bishop of Salto (Uruguay) (1977.10.28 – 1984.12.29)Coadjutor Bishop of Salto (Uruguay) (1984.12.29 – 1988.06.19) |
| Archbishop Francesco Nicolini Titular Archbishop of Rhodes (Greece) (1685.09.10 – ?) |
 Archbishop Sebastiano Nicotra Born:1855.08.31 (San Alfio di Giarre, Italy)Ordained Priest:1878.12.21Consecrated Bishop:1917.01.06Died:1929.05.21 (San Alfio di Giarre, Italy † 73)Apostolic Nuncio to Chile (1916.12.16 – 1918.10.01)Titular Archbishop of Heraclea (1916.12.18 – 1929.05.21)Apostolic Nuncio to Belgium (1918.10.01 – 1923.05.30)Apostolic Internuncio to Netherlands (1918.11.30 – 1921.05.19)Apostolic Internuncio to Luxembourg (1918.11.30 – 1923.05.30)Apostolic Administrator of Eupen–Malmedy–Sankt Vith (Belgium) (1919 – 1920.07.30)Apostolic Nuncio to Portugal (1923.05.30 – 1928.03.16) |
 Bishop Johann Adam Nieberlein Born:1662.02.17 (Germany)Ordained Priest:1686.03.17Consecrated Bishop:1708.04.29Died:1748.12.28 († 86)Titular Bishop of Dioclea (1708.03.12 – 1748.12.28)Auxiliary Bishop of Eichstätt (Germany) (1708.03.12 – 1748.12.28) |
 Bishop Stanislaw Nieborski Born:1578 (Poland)Ordained Priest:1607.05.27Consecrated Bishop:1634.06.18Died:1639 († 61)Titular Bishop of Modon (1634.06.12 – 1639)Auxiliary Bishop of Vilnius (Lithuania) (1634.06.12 – 1639) |
 Bishop Jan Niemiec Ecce agnus DeiBorn:1958.03.14 (Kozłówek, Poland)Ordained Priest:1987.06.24Consecrated Bishop:2006.12.08Died:2020.10.27 (Łańcut, Poland † 62)Priest of Przemyśl (Poland) (1987.06.24 – 2006.10.20)Titular Bishop of Decoriana (2006.10.20 – 2020.10.27)Auxiliary Bishop of Kamyanets-Podilsky (Ukraine) (2006.10.20 – 2020.10.27)Died of COVID-19. |
 Bishop Karol Niemira Born:1883.10.28Ordained Priest:1911.11.13Consecrated Bishop:1933.08.15Died:1965.07.08 († 81)Auxiliary Bishop of Pinsk (Belarus) (1933.05.26 – 1946)Titular Bishop of Tavium (1933.05.26 – 1965.07.08) |
 Bishop Johannes Bernardus Niënhaus Scio cui credidiBorn:1929.09.09 (Netherlands)Ordained Priest:1955.07.24Consecrated Bishop:1982.03.06Died:2000.12.05 († 71)Auxiliary Bishop of Utrecht (Netherlands) (1982.01.15 – 1999.09.01)Titular Bishop of Benda (1982.01.15 – 2000.12.05) |
  Bishop Gerardo Miguel Nieves Loja (61) Titular Bishop of Tigisi in NumidiaAuxiliary Bishop of Guayaquil (Ecuador) |
| Bishop Hermanus Nigenbroch, O.P. Titular Bishop of Lydda (1509.11.07 – 1511?) |
 Archbishop Leone Giovanni Battista Nigris Born:1884.08.27 (Italy)Ordained Priest:1909.07.18Consecrated Bishop:1938.09.25Died:1964.09.21 († 80)Apostolic Delegate to Albania (1938.08.18 – 1945)Titular Archbishop of Philippi (1938.08.18 – 1964.09.21)Apostolic Administrator of Southern Albania (Albania) (1940 – 1945) |
| Bishop Berthold Nihus Born:1590.02.07Ordained Priest:1648Consecrated Bishop:1655.06.06Died:1657.03.10 († 67)Titular Bishop of Missene (1655.04.21 – 1657.03.10)Auxiliary Bishop of Mainz (Germany) (1655.04.21 – 1657.03.10) |
  Archbishop Fransiskus Nipa (60) Coadjutor Archbishop of Makassar (Indonesia)Misericordiam volo |
 Bishop Emile Njeru Born:1930 (Kenya)Ordained Priest:1958Consecrated Bishop:1969.08.01Died:1970.09.05 († 39)Titular Bishop of Capsus (1969.05.22 – 1970.09.05)Auxiliary Bishop of Eldoret (Kenya) (1969.05.22 – 1970.09.05) |
 Bishop Giovanni Battista Nogall Born:1820.06.25 (Hungary)Ordained Priest:1843.07.15Died:1899.07.19 († 79)Titular Bishop of Pergamus (1880.02.27 – 1899.07.19)Auxiliary Bishop of Oradea Mare (Romania) (1880.02.27 – 1899.07.19) |
 Bishop John Gavin Nolan Born:1924.03.15 (USA)Ordained Priest:1949.06.11Consecrated Bishop:1988.01.06Died:1997.11.19 († 73)Titular Bishop of Natchez (1987.12.12 – 1997.11.19)Auxiliary Bishop of the Military Ordinariate of United States of America (USA) (1987.12.12 – 1997.11.19) |
| Archbishop John Francis Noll Born:1875.01.25 (Fort Wayne, IN, USA)Ordained Priest:1898.06.04Consecrated Bishop:1924.06.30Died:1956.07.31 († 81)Bishop of Fort Wayne (USA) (1924.05.12 – 1956.07.31)Archbishop ad personam (1953.09.02 – 1956.07.31) |
| Bishop Johann Nopel Born:1548.01.06Consecrated Bishop:1602.03.10Died:1605.01.06 († 57)Titular Bishop of Cyrene (1601.09.10 – 1605.01.06)Auxiliary Bishop of Köln (Germany) (1601.09.10 – 1605.01.06) |
| Bishop Johann Nopel Titular Bishop of Cyrene (1539.10.29 – 1556.07.06)Auxiliary Bishop of Köln (Germany) (1539.10.29 – 1556.07.06) |
| Bishop Paul Heinrich Nordhues SuscipeBorn:1915.02.08 (Germany)Ordained Priest:1941.03.23Consecrated Bishop:1961.08.24Died:2004.06.30 († 89)Auxiliary Bishop of Paderborn (Germany) (1961.06.05 – 1990.03.01)Titular Bishop of Cos (1961.06.05 – 2004.06.30) |
 Bishop Alfredo Noriega Arce, S.J. Born:1922.09.07 (Peru)Ordained Priest:1952.10.06Consecrated Bishop:1980.06.01Died:1993.06.26 († 70)Titular Bishop of Mutia (1980.04.26 – 1993.06.26)Auxiliary Bishop of Lima (Peru) (1980.04.26 – 1993.06.26) |
 Bishop Luis Norman, O.F.M. |
 Bishop Timothy John Norton, S.V.D. (66) Titular Bishop of MadaurusAuxiliary Bishop of Brisbane (Australia)Born:1958.07.24 (Sydney, New South Wales, Australia)Ordained Priest:1991.05.02Consecrated Bishop:2022.02.22Titular Bishop of Madaurus (2021.11.11 – ...)Auxiliary Bishop of Brisbane (Australia) (2021.11.11 – ...) |
| Archbishop Alfons Nossol (92) Archbishop _ad personam_Bishop emeritus of Opole (Poland)Veritatem facere in caritateBorn:1932.08.08 (Brozec, Poland)Ordained Priest:1957.06.23Consecrated Bishop:1977.08.17Priest of Opole (Poland) (1957.06.23 – 1977.06.25)Bishop of Opole (Poland) (1977.06.25 – 2009.08.14)Archbishop ad personam (1999.11.12 – ...) |
| Archbishop Ambrose Notyn Darauni Born:1828.04.03Consecrated Bishop:1875.05.30Died:1878.03.26 († 49)Titular Archbishop of Adana (1875.05.28 – 1878.03.26) |
  Bishop Guy-Paul Noujaim (89) (Maronite Rite) Titular Bishop of Cesarea PhilippiAuxiliary Bishop emeritus of Jebbeh–Sarba–Jounieh of the Maronites (Lebanon) |
| Bishop Viktor Novikov, S.J. (Russian Rite) Born:1905Consecrated Bishop:1941 (clandestinely)Died:1979.05.14 († 73) |
 Bishop Miguel Nóvoa Fuente Born:1901.12.03 (Spain)Ordained Priest:1924.04.19Consecrated Bishop:1956.06.29Died:1966.05.20 († 64)Titular Bishop of Chytri (1956.04.09 – 1966.05.20)Auxiliary Bishop of Santiago de Compostela (Spain) (1956.04.09 – 1966.05.20) |
 Archbishop Henryk Józef Nowacki (78) Titular Archbishop of BleraFortes fideBorn:1946.08.11 (Gunzenhausen, Germany)Ordained Priest:1970.05.31Consecrated Bishop:2001.03.19Priest of Tarnów (Poland) (1970.05.31 – 2001.02.08)Chaplain of His Holiness (1984.07.23 – 1993.10.25)Prelate of Honour of His Holiness (1993.10.25 – 2001.02.08)Apostolic Nuncio to Slovakia (2001.02.08 – 2007.11.28)Titular Archbishop of Blera (2001.02.08 – ...)Apostolic Nuncio to Nicaragua (2007.11.28 – 2012.06.28)Apostolic Nuncio to Iceland (2012.06.28 – 2017)Apostolic Nuncio to Sweden (2012.06.28 – 2017)Apostolic Nuncio to Denmark (2012.10.06 – 2017)Apostolic Nuncio to Finland (2012.10.06 – 2017)Apostolic Nuncio to Norway (2012.10.06 – 2017) |
 Archbishop Edward Nowak (84) Titular Archbishop of LuniAssessor emeritus of Equestrian Order of the Holy Sepulchre of Jerusalem (Knights of the Holy Sepulchre)Soli Deo laus |
| Bishop Jan Nowicki Born:1894.12.25 (Ukraine)Ordained Priest:1919.05.29Consecrated Bishop:1968.06.02Died:1973.08.14 († 78)Titular Bishop of Pupiana (1968.03.23 – 1973.08.14)Apostolic Administrator of Lviv (Ukraine) (1968.03.23 – 1973.08.14) |
| Bishop Tomasz Nowinski, C.R.S. Sepul. Born:1746.12.12Ordained Priest:1771.05.25Consecrated Bishop:1816.10.27Died:1830.01.04 († 83)Titular Bishop of Byblus (1816.09.23 – 1830.01.04)Auxiliary Bishop of Kraków (Poland) (1816.09.23 – 1830.01.04) |
| Bishop Martin Nugk von Lichtenhoff Born:1720.10.16Ordained Priest:1744.05.31Consecrated Bishop:1776.05.12Died:1780.06.21 († 59)Prefect Apostolic of Lausitz (Germany) (1774.01.17 – 1780.06.21)Titular Bishop of Cisamus (1775.11.15 – 1780.06.21) |
 Bishop Vilhelms Nukšs Born:1938.01.16Ordained Priest:1964.03.25Consecrated Bishop:1987.12.08Died:1993.02.27 († 55)Auxiliary Bishop of Liepāja (Latvia) (1987.11.23 – 1991)Titular Bishop of Acci (1987.11.23 – 1993.02.27)Auxiliary Bishop of Riga (Latvia) (1987.11.23 – 1993.02.27) |
| Bishop Brian Alan Nunes (59) Titular Bishop of KearneyAuxiliary Bishop of Los Angeles (USA)In mundum universum prædicate evangeliumBorn:1964.10.26 (Los Angeles, CA, USA)Ordained Priest:2008.05.31Consecrated Bishop:2023.09.26Priest of Los Angeles (USA) (2008.05.31 – 2023.07.18)Titular Bishop of Kearney (2023.07.18 – ...)Auxiliary Bishop of Los Angeles (USA) (2023.07.18 – ...) |
| Bishop Nuno Isidro Nunes Cordeiro (60) Titular Bishop of SebargaAuxiliary Bishop of Lisboa (Portugal)Gratis accepistis gratis dateBorn:1964.09.08 (A dos Cunhados, Portugal)Ordained Priest:1990.07.01Consecrated Bishop:2024.07.21Priest of Lisboa (Portugal) (1990.07.01 – 2024.06.14)Titular Bishop of Sebarga (2024.06.14 – ...)Auxiliary Bishop of Lisboa (Portugal) (2024.06.14 – ...) |
| Bishop Andrés Núñez Monteagudo Born:1695.12.24 (Spain)Consecrated Bishop:1739.05.10Died:1761.07.11 († 65)Titular Bishop of Maxula (1739.02.23 – 1761.07.11)Auxiliary Bishop of Toledo (Spain) (1739.02.23 – 1761.07.11) |
 Archbishop Fortunatus Nwachukwu (64) Titular Archbishop of AquavivaSecretary for the Section of Evangelisation of Dicastery for EvangelisationVice-Grand Chancellor of Pontifical Urbaniana UniversitySolvere calceamenta |
 Bishop Yohane Suzgo Nyirenda (48) Titular Bishop of CatrumAuxiliary Bishop of Mzuzu (Malawi)Go and work quietlyBorn:1976.06.20 (Wozi, Malawi)Ordained Priest:2008.07.19Consecrated Bishop:2023.08.05Priest of Mzuzu (Malawi) (2008.07.19 – 2023.05.05)Titular Bishop of Catrum (2023.05.05 – ...)Auxiliary Bishop of Mzuzu (Malawi) (2023.05.05 – ...) |
| Bishop Krzysztof Józef Nykiel (59) Titular Bishop of VeliaRegent of Apostolic PenitentiaryPatris cordeBorn:1965.02.28 (Osjaków, Poland)Ordained Priest:1990.06.09Consecrated Bishop:2024.06.22Priest of Łódź (Poland) (1990.06.09 – 2024.05.01)Chaplain of His Holiness (2001.07.20 – 2010.12.30)Cleric Prelate of Apostolic Camera (2010.12.30 – 2019)Regent of Apostolic Penitentiary (2012.06.26 – ...)Titular Bishop of Velia (2024.05.01 – ...) |