| Archbishop Benedict Planchet, S.J. Born:1802.01.24Consecrated Bishop:1853.08.15Died:1859.09.19 († 57)Titular Archbishop of Traianopolis (1853.06.04 – 1859.09.19) |
 Bishop Joseph-Omer Plante Volumus hunc regnare super nosBorn:1867.01.03 (Canada)Ordained Priest:1893.05.27Consecrated Bishop:1927.09.27Died:1948.04.05 († 81)Titular Bishop of Doberus (1927.06.23 – 1948.04.05)Auxiliary Bishop of Québec (Canada) (1927.06.23 – 1948.04.05) |
 Bishop Fabian Franziszek Pląskowski Born:1705.02.01Ordained Priest:1728.02.07Consecrated Bishop:1750.08.09Died:1784.02.18 († 79)Titular Bishop of Martiria (1750.05.25 – 1784.02.18)Auxiliary Bishop of Chełmno (Poland) (1750.05.25 – 1784.02.18) |
 Bishop José Platas |
| Bishop Henryk Ludwik Plater Born:1817.03.29Ordained Priest:1840.04.04Consecrated Bishop:1859.01.23Died:1868.07.04 († 51)Titular Bishop of Mosynopolis (1858.09.27 – 1868.07.04)Auxiliary Bishop of Warszawa (Poland) (1858.09.27 – 1868.07.04) |
 Saint Bishop Plechelmus, O.S.B. |
| Bishop Konstanty Wincenty Plejewski Born:1767.04.07?Ordained Priest:1790.06.06Consecrated Bishop:1824.02.08Died:1838.02.24 († 70)Titular Bishop of Lagania (1823.11.24 – 1838.02.24)Auxiliary Bishop of Płock (Poland) (1823.11.24 – 1838.02.24) |
 Bishop Petru Plesca Born:1905.02.05 (Romania)Ordained Priest:1931.05.30Consecrated Bishop:1965.12.16Died:1977.03.19 († 72)Titular Bishop of Voli (1965.12.04 – 1977.03.19) |
 Bishop Josef Plöger Born:1923.07.06 (Germany)Ordained Priest:1953.02.24Consecrated Bishop:1975.05.19Died:2005.04.22 († 81)Auxiliary Bishop of Köln (Germany) (1975.05.09 – 1991.04.15)Titular Bishop of Aguntum (1975.05.09 – 2005.04.22) |
 Archbishop Antonio Giuseppe Pluym, C.P. Born:1808.10.15 (Netherlands)Ordained Priest:1832.10.24Consecrated Bishop:1863.10.18Died:1874.01.13 († 65)Bishop of Nikopol (Bulgaria) (1863.09.15 – 1870.02.23)Apostolic Administrator of Valachie (Romania) (1863.09.15 – 1870.02.23)Titular Archbishop of Tianæ (1870.02.23 – 1874.01.13) |
 Bishop Róbert Pobožný Born:1890.05.30 (Tisovec, Slovakia)Ordained Priest:1913.09.04Consecrated Bishop:1949.08.14Died:1972.06.09 († 82)Titular Bishop of Neila (1949.07.25 – 1972.06.09)Apostolic Administrator of Rožňava (Slovakia) (1949.07.25 – 1972.06.09) |
 Bishop Filippo Pocci Born:1912.06.04 (Italy)Ordained Priest:1943.03.06Consecrated Bishop:1961.07.30Died:1991.12.11 († 79)Auxiliary Bishop of the Vicariate of Rome of Roma (Italy) (1961.07.08 – 1975.05.24)Titular Bishop of Ierichus (1961.07.08 – 1991.12.11) |
| Bishop Pietro Podaliri Born:1819.08.27 (Italy)Ordained Priest:1844.09.21Consecrated Bishop:1890.06.29Died:1910.11.10 († 91)Titular Bishop of Derbe (1890.06.23 – 1910.11.10)Auxiliary Bishop of Recanati (Italy) (1890.06.23 – 1910.11.10) |
 Bishop Jan Kanty Podhorodenski Born:1741.10.16Ordained Priest:1764.09.14Died:1832.10.04 († 90)Titular Bishop of Polemonium (1804.08.20 – 1832.10.04)Auxiliary Bishop of Lutsk and Zytomierz (Ukraine) (1804.08.20 – 1832.10.04) |
 Bishop Antonio Podlaha Born:1865.01.22 (Czechia)Ordained Priest:1888.07.05Consecrated Bishop:1920.04.11Died:1932.02.14 († 67)Titular Bishop of Paphus (1920.03.08 – 1932.02.14)Auxiliary Bishop of Praha (Czechia) (1920.03.08 – 1932.02.14) |
| Archbishop Johannes Poggenburg Crux Christi nostra salusBorn:1862.05.12 (Germany)Ordained Priest:1889.06.15Consecrated Bishop:1913.10.16Died:1933.01.05 († 70)Bishop of Münster (Germany) ([1913.05.07] 1913.07.04 – 1933.01.05)Titular Archbishop of Nicopsis (1930.08.29 – 1933.01.05) |
| Archbishop Amelio Poggi Born:1914.10.09 (Italy)Ordained Priest:1937.08.08Consecrated Bishop:1967.07.16Died:1974.12.23 († 60)Apostolic Nuncio to Rwanda (1967.05.27 – 1969.11.27)Apostolic Pro-Nuncio to Uganda (1967.05.27 – 1969.11.27)Titular Archbishop of Cercina (1967.05.27 – 1974.12.23)Apostolic Delegate to Nigeria (1969.11.27 – 1973.09.26)Apostolic Pro-Nuncio to Syria (1973.09.26 – 1974.12.23) |
| Archbishop Luigi Poggi Born:1829.10.08 (Italy)Ordained Priest:1852.12.18Consecrated Bishop:1871.11.30Died:1877.01.22 († 47)Bishop of Rimini (Italy) (1871.10.27 – 1876.09.29)Titular Archbishop of Heliopolis (1876.09.29 – 1877.01.22) |
| Archbishop Giovanni Poide Titular Archbishop of Thessalonica (1494.08.08 – ?) |
 Bishop György Póka Born:1916.03.28 (Hungary)Ordained Priest:1939.07.09Consecrated Bishop:1982.04.21Died:1987.03.03 († 70)Titular Bishop of Cubda (1982.04.05 – 1987.03.03)Auxiliary Bishop of Szombathely (Hungary) (1982.04.05 – 1987.03.03) |
| Bishop Sergius Pola Born:1674.11.01Ordained Priest:1698.05.24Consecrated Bishop:1706.11Died:1748.02.09 († 73)Titular Bishop of Famagosta (1706.07.19 – 1748.02.08) |
| Archbishop Alfredo Poledrini Born:1914.06.30 (Italy)Ordained Priest:1937.03.27Consecrated Bishop:1965.12.05Died:1980.04.23 († 65)Apostolic Pro-Nuncio to Zambia (1965.10.27 – 1970)Titular Archbishop of Vazari (1965.10.27 – 1980.04.23)Apostolic Pro-Nuncio to Malawi (1966.05.21 – 1970)Apostolic Pro-Nuncio to Lesotho (1971.09.20 – 1978.09.18)Apostolic Delegate to Southern Africa (1971.09.20 – 1978.09.18) |
| Archbishop Reginaldo Polet, O.F.M. Consecrated Bishop:1436.04.15Titular Archbishop of Ægina (1436.03.28 – ?) |
 Archbishop Joseph Angel Poli, O.F.M. Cap. Born:1878.09.13Ordained Priest:1901.01.21Consecrated Bishop:1915.11.30Died:1970.01.03 († 91)Titular Bishop of Curium (1915.03.13 – 1917.12.18)Coadjutor Bishop of Allahabad (India) (1915.03.13 – 1917.12.18)Bishop of Allahabad (India) (1917.12.18 – 1946.07.11)Apostolic Administrator of Lucknow (India) (1940 – 1946)Apostolic Administrator of Jhansi (India) (1940 – 1946.01.21)Titular Bishop of Perta (1946.07.11 – 1965.11.19)Titular Archbishop of Perge (1965.11.19 – 1970.01.03) |
  Bishop Engelberto Polino Sánchez (59) Titular Bishop of Vazari-DiddaAuxiliary Bishop of Guadalajara (Mexico)Y levantándose, lo sirvió |
 Bishop Michel Pollien Born:1937.08.22 (France)Ordained Priest:1966.06.25Consecrated Bishop:1996.10.11Died:2013.01.15 († 75)Auxiliary Bishop of Paris (France) (1996.07.12 – 2012.08.31)Titular Bishop of Pulcheriopolis (1996.07.12 – 2013.01.15) |
 Bishop Matthias Pollitzer Born:1786.02.21Ordained Priest:1809.09.22Consecrated Bishop:1843.07.23Died:1850.09.12 († 64)Titular Bishop of Telmissus (1843.06.19 – 1850.09.12)Auxiliary Bishop of Wien (Austria) (1843.06.19 – 1850.09.12) |
| Bishop Carlo Pollner Born:1825.06.08Ordained Priest:1849.07.09Consecrated Bishop:1885.07.05Died:1887.03.09 († 61)Titular Bishop of Troas (1884.03.24 – 1887.03.09)Auxiliary Bishop of Kujawy–Kaliska (Poland) (1884.03.24 – 1887.03.09) |
 Bishop Spiridion Poloméni Born:1844.04.08 (Greece)Consecrated Bishop:1892.06.05Died:1930.09.12 († 86)Titular Bishop of Ruspæ (1892.02.27 – 1930.09.12)Auxiliary Bishop of Carthage (Tunisia) (1892.02.27 – 1930.09.12) |
| Bishop Alberto Polonus, O.P. Titular Bishop of Akka (1513 – ?) |
 Bishop Georgius Połubiński Born:1735.04Ordained Priest:1760.06.08Consecrated Bishop:1798.08Died:1801 († 66)Titular Bishop of Loryma (1796.06.27 – 1801)Auxiliary Bishop of Vilnius (Lithuania) (1796.06.27 – 1801) |
 Archbishop Carlo Maria Polvani (59) Titular Archbishop of RegiæSecretary of Dicastery for Culture and EducationSunt quia vides |
| Bishop Alberto Pomerio, O.F.M. |
 Archbishop Jean-Baptiste-François Pompallier, S.M. Born:1801.12.11 (France)Ordained Priest:1829.06.13Consecrated Bishop:1836.06.30Died:1871.12.21 († 70)Titular Bishop of Maronia (1836.05.13 – 1848.06.20)Vicar Apostolic of New Zealand (New Zealand) (1836.05.13 – 1848.06.20)Bishop of Auckland (New Zealand) (1848.06.20 – 1869.04.19)Titular Archbishop of Amasea (1869.04.19 – 1871.12.21) |
 Bishop Giovanni Antonio Pompeiana, O.F.M. |
| Bishop Noël Poncelet, O.P. Titular Bishop of Salona (1571.11.16 – ?)Auxiliary Bishop of Luçon (France) (1571.11.16 – ?) |
| Bishop Karol Poniński Born:1675.12.12Ordained Priest:1699.09.17Consecrated Bishop:1726.02.24Died:1727.09 († 51)Titular Bishop of Arad (1725.12.19 – 1727.09)Auxiliary Bishop of Poznań (Poland) (1725.12.19 – 1727.09) |
| Bishop Arūnas Poniškaitis (58) Titular Bishop of SinnaAuxiliary Bishop of Vilnius (Lithuania) |
| Bishop Bernardo Pontanova, O.C.D. Born:1804.07.01 (Italy)Consecrated Bishop:1845.10.05Died:1853.03.13 († 48)Titular Bishop of Tanis (1845.05.06 – 1853.03.13) |
| Bishop Miguel Ponte, O.F.M. Conv. |
| Archbishop Giovanni Ponzi Born:1830.12.19 (Italy)Ordained Priest:1856.12.20Consecrated Bishop:1894.05.27Died:1896.04.08 († 65)Titular Bishop of Metropolis (1894.05.18 – 1895.03.18)Titular Archbishop of Sardes (1895.03.18 – 1896.04.08) |
| Archbishop Ponzio Titular Archbishop of Serræ (1358? – 1358.05.20)Titular Archbishop of Tarsus (1358.05.20 – ?) |
| Bishop Athanasie Anghel Popa Ordained Priest:1701.03.24Consecrated Bishop:1701.03.25Died:1713.08.19 |
 Bishop Rafail Popov (Bulgarian Rite) Born:1830.11.15Ordained Priest:1861.08.15Consecrated Bishop:1865.11.19Died:1876.03.06 († 45)Apostolic Administrator sede plena of Constantinople of the Bulgarians (Turkiye) (1865.03.28 – 1876.03.06) |
 Bishop Bernard Ferdinand Popp To God in loveBorn:1917.12.06 (Nada, TX, USA)Ordained Priest:1943.02.24Consecrated Bishop:1983.07.25Died:2014.06.27 († 96)Auxiliary Bishop of San Antonio (USA) (1983.06.03 – 1993.03.23)Titular Bishop of Capsus (1983.06.03 – 2014.06.27) |
| Bishop Stefano Porro Born:1838.09.30 (Italy)Ordained Priest:1862.12.20Consecrated Bishop:1891.12.20Died:1904.03.23 († 65)Titular Bishop of Cæsaropolis (1891.12.14 – 1904.03.23)Auxiliary Bishop of Andria (Italy) (1891.12.14 – 1904.03.23) |
| Bishop Giovanni Angelo Porta, O.F.M. Cap. Born:1767.12.28Ordained Priest:1790.10.24Consecrated Bishop:1821.02.11Died:1835.08.25 († 67)Titular Bishop of Thermopylæ (1821.01.08 – 1835.08.25) |
| Bishop Bartholomaeus Portaligni, O. Carm. Titular Bishop of Troas (1523.05.15 – 1550?) |
| Archbishop Sante Portalupi Born:1909.11.01 (Italy)Ordained Priest:1933.04.15Consecrated Bishop:1961.12.03Died:1984.03.31 († 74)Apostolic Nuncio to Honduras (1959.01.29 – 1967.09.27)Apostolic Nuncio to Nicaragua (1959.01.29 – 1967.09.27)Titular Archbishop of Christopolis (1961.10.14 – 1984.03.31)Apostolic Delegate to Libya (1967.09.27 – 1979.12.15)Apostolic Pro-Nuncio to Algeria (1972 – 1979.12.15)Apostolic Pro-Nuncio to Tunisia (1972 – 1979.12.15)Apostolic Pro-Nuncio to Morocco (1976 – 1979.12.15)Apostolic Nuncio to Portugal (1979.12.15 – 1984.03.31) |
 Bishop Angelo Portelli, O.P. Born:1852.04.24 (Valletta, Malta)Ordained Priest:1874Consecrated Bishop:1911.05.14Died:1927.06.19 (Valletta, Malta † 75)Titular Bishop of Selinus (1911.03.31 – 1927.06.19)Auxiliary Bishop of Malta (Malta) (1911.03.31 – 1927.06.19) |
 Archbishop João Batista Portocarrero Costa Born:1904.06.07 (Brazil)Ordained Priest:1927.10.30Consecrated Bishop:1943.11.07Died:1959.01.06 († 54)Bishop of Mossoró (Brazil) (1943.07.31 – 1953.07.03)Titular Archbishop of Selge (1953.07.03 – 1959.01.06)Coadjutor Archbishop of Olinda e Recife (Brazil) (1953.07.03 – 1959.01.06) |
| Saint Bishop Possidonio Born: (Tebe, Italy)Died:V centuryBishop. |
| Bishop Marián Ján Potáš, O.S.B.M. (Ruthenian Rite) |
| Archbishop Gerardus Potcamp Titular Archbishop of Thebæ (1705.12.07 – 1705.12.16) |
| Archbishop Giovanni Battista Potentia, O.F.M. Conv. Consecrated Bishop:1589.06.18Titular Archbishop of Tiberias (1589.06.12 – ?)Coadjutor Archbishop of Amalfi (Italy) (1589.06.12 – ?) |
| Bishop Franciscus Potkanski, S.J. Born:1708.10Ordained Priest:1733Consecrated Bishop:1753.09.29Died:1789.07.11 († 80)Auxiliary Bishop of Kraków (Poland) (1753.07.23 – 1786.03.31)Titular Bishop of Patara (1753.07.23 – 1789.07.11) |
| Bishop Étienne-Marie Potron Born:1836.10.25 (France)Consecrated Bishop:1889.06.29Died:1905.08.11 († 68)Titular Bishop of Hiericho (1889.06.25 – 1905.08.11) |
| Archbishop Edoardo Carlo Gastone Pöttickh de Pettenegg, O.T. Born:1847.06.13 (Germany)Ordained Priest:1903.06.29Died:1918.10.01 († 71)Titular Archbishop of Tamiathis (1904.11.14 – 1918.10.01) |
 Bishop Emile Joseph Pourbaix Born:1845.04.24 (Belgium)Ordained Priest:1871.06.04Consecrated Bishop:1893.02.02Died:1894.06.08 († 49)Titular Bishop of Eudocias (1893.01.19 – 1894.06.08)Auxiliary Bishop of Tournai (Belgium) (1893.01.19 – 1894.06.08) |
| Archbishop Liudas Povilonis, M.I.C. |
 Bishop Nicholas Power Born:1804Consecrated Bishop:1865.06.25Died:1871.04.05 († 66)Titular Bishop of Sarepta (1865.04.30 – 1871.04.05)Coadjutor Bishop of Killaloe (Ireland) (1865.04.30 – 1871.04.05) |
  Bishop Patrick Percival Power (83) Titular Bishop of OretoAuxiliary Bishop emeritus of Canberra and Goulburn (Australia) |
 Bishop Georgius Powslowski Born:1732.04 (Lithuania)Ordained Priest:1755.05.24Consecrated Bishop:1781.03.25Titular Bishop of Alalis (1780.06.19 – ?)Auxiliary Bishop of Inflanty (Latvia) (1780.06.19 – ?) |
 Bishop Valentin Pozaić, S.J. Život birajBorn:1945.09.15 (Marija Bistrica, Croatia)Ordained Priest:1973.06.24Consecrated Bishop:2005.03.19Died:2023.05.15 (Zagreb, Croatia † 77)Auxiliary Bishop of Zagreb (Croatia) (2005.02.02 – 2017.05.13)Titular Bishop of Pićan (2005.02.02 – 2023.05.15) |
| Archbishop Guido Pozzo (73) Titular Archbishop of BagnoregioSuperintendent of the Economy of Pontifical Musical Chorus of the Sistine ChapelServite Domino in lætitia |