  Bishop Wayne Lawrence Lobsinger (57) Titular Bishop of Gemellæ in NumidiaAuxiliary Bishop of Hamilton (Canada) |
 Archbishop Giuseppe Locatelli Born:1713.01.07 (Italy)Ordained Priest:1760.01.27Consecrated Bishop:1760.02.03Died:1763.11.25 († 50)Titular Archbishop of Carthage (1760.01.28 – 1763.11.25) |
 Bishop Georg Franz Lock Born:1751.10.03Ordained Priest:1776.06.24Consecrated Bishop:1801.11.01Died:1831.09.07 († 79)Titular Bishop of Antigonea (1801.05.22 – 1831.09.07)Prefect Apostolic of Lausitz (Germany) (1801.05.22 – 1831.09.07) |
| Bishop Ettore Lodi Born:1859.12.11 (Italy)Consecrated Bishop:1925.03.25Died:1935.07.06 († 75)Titular Bishop of Messene (1925.03.06 – 1935.07.06)Auxiliary Bishop of Bologna (Italy) (1925.03.06 – 1935.07.06) |
 Bishop Józef Antoni Łodziński, O.F.M. Conv. Born:1692.04Ordained Priest:1715Died:1743 († 51)Titular Bishop of Gerasa (1729.03.03 – 1743)Auxiliary Bishop of Inflanty (Latvia) (1729.03.03 – 1743) |
| Bishop Rolf Lohmann (61) Titular Bishop of GorAuxiliary Bishop of Münster (Germany)Vos estis lux mundiBorn:1963.02.21 (Hamm, Germany)Ordained Priest:1989.05.14Consecrated Bishop:2017.07.08Priest of Münster (Germany) (1989.05.14 – 2017.04.25)Titular Bishop of Gor (2017.04.25 – ...)Auxiliary Bishop of Münster (Germany) (2017.04.25 – ...) |
 Bishop Martin Nicholas Lohmuller Love, Fidelity, PeaceBorn:1919.08.21 (Philadelphia, PA, USA)Ordained Priest:1944.06.03Consecrated Bishop:1970.04.02Died:2017.01.24 († 97)Auxiliary Bishop of Philadelphia (USA) (1970.02.12 – 1994.10.11)Titular Bishop of Ramsbury (1970.02.12 – 2017.01.24) |
| Bishop Thomas Löhr (72) Titular Bishop of DianaAuxiliary Bishop of Limburg (Germany)Veritatem facientes in caritateBorn:1952.02.29 (Frankfurt, Germany)Ordained Priest:1976.10.10Consecrated Bishop:2009.08.30Priest of Limburg (Germany) (1976.10.10 – 2009.06.15)Titular Bishop of Diana (2009.06.15 – ...)Auxiliary Bishop of Limburg (Germany) (2009.06.15 – ...) |
| Archbishop Giuseppe Lojacono Born:1862.11.11 (Italy)Died:1945.03.13 († 82)Bishop of Ariano (Italy) (1918.11.04 – 1939.06.01)Titular Archbishop of Aprus (1939.06.01 – 1945.03.13) |
| Archbishop Armando Lombardi Born:1905.05.12 (Italy)Ordained Priest:1928.07.22Consecrated Bishop:1950.04.16Died:1964.05.04 († 58)Apostolic Nuncio to Venezuela (1950.02.13 – 1954)Titular Archbishop of Cesarea Philippi (1950.02.13 – 1964.05.04)Apostolic Nuncio to Brazil (1954 – 1964.05.04) |
| Bishop Domenico Lombardi Born:1766.11.25Ordained Priest:1790.12.18Titular Bishop of Lares (1821.08.13 – ?) |
| Bishop Robert Joseph Lombardo, C.F.R. (67) Titular Bishop of MunatianaAuxiliary Bishop of Chicago (USA)My God and my allBorn:1957.09.04 (Stamford, CT, USA)Ordained Priest:1990.05.12Consecrated Bishop:2020.11.13Titular Bishop of Munatiana (2020.09.11 – ...)Auxiliary Bishop of Chicago (USA) (2020.09.11 – ...) |
 Archbishop Carlo Maria Lomellino Born:1689.11.06 (Italy)Ordained Priest:1711.10.04Consecrated Bishop:1723.01.31Bishop of Ajaccio (France) (1723.01.23 – 1741.11.26)Titular Archbishop of Hierapolis (1742.04.18 – ?) |
| Bishop Ferdinando Lomellino, O.S.B. Born:1753.10.20 (Italy)Ordained Priest:1776.09.21Consecrated Bishop:1796.07.03Titular Bishop of Antipatris (1796.06.27 – ?) |
| Bishop Juan Carlos Londoño (50) Titular Bishop of BaezaAuxiliary Bishop of Québec (Canada)In Domino confidoBorn:1974.04.03 (Medellín, Colombia)Ordained Priest:2001.11.24Consecrated Bishop:2024.02.22Priest of Medellín (Colombia) (2001.11.24 – 2023.12.12)Titular Bishop of Baeza (2023.12.12 – ...)Auxiliary Bishop of Québec (Canada) (2023.12.12 – ...) |
| Bishop Vittorio Longo Born:1901.06.12 (Italy)Ordained Priest:1927.06.11Consecrated Bishop:1956.04.22Died:1974.11.07 († 73)Titular Bishop of Loryma (1956.01.23 – 1974.11.07)Auxiliary Bishop of Napoli (Italy) (1956.01.23 – 1974.11.07) |
 Bishop Józef Leon Łopaciński Born:1751Ordained Priest:1774.03.13Consecrated Bishop:1776.06.30Died:1803 († 52)Auxiliary Bishop of Žemaitija (1776.04.15 – 1786.01.16)Titular Bishop of Tripolis (1776.04.15 – 1803) |
  Bishop Assis Lopes (89) Titular Bishop of ZaraïAuxiliary Bishop emeritus of São Sebastião do Rio de Janeiro (Brazil)Eis-me aqui |
 Bishop Alexandre Coutinho Lopes de Brito Palma (46) Titular Bishop of TepeltaAuxiliary Bishop of Lisboa (Portugal)Ad matutinum lætitiaBorn:1978.08.11 (Lisboa, Portugal)Ordained Priest:2006.07.02Consecrated Bishop:2024.07.21Priest of Lisboa (Portugal) (2006.07.02 – 2024.06.14)Titular Bishop of Tepelta (2024.06.14 – ...)Auxiliary Bishop of Lisboa (Portugal) (2024.06.14 – ...) |
 Bishop Bienvenido M. Lopez Born:1924.03.22 (Philippines)Ordained Priest:1952.03.29Consecrated Bishop:1967.01.22Died:1995.04.27 († 71)Titular Bishop of Muteci (1966.12.03 – 1995.04.27)Auxiliary Bishop of Manila (Philippines) (1966.12.03 – 1995.04.27) |
 Bishop Juan López Titular Bishop of Castoria (1520.09.22 – ?)Auxiliary Bishop of Coria (Spain) (1520.09.22 – ?) |
| Bishop Patricio Maqui Lopez Born:1926.11.14 (Philippines)Ordained Priest:1951.03.10Consecrated Bishop:1985.12.05Died:1991.02.20 († 64)Titular Bishop of Arba (1985.10.16 – 1991.02.20)Auxiliary Bishop of Nueva Segovia (Philippines) (1985.10.16 – 1991.02.20) |
 Bishop Luis Manuel López Alfaro (61) Titular Bishop of GarbaAuxiliary Bishop of San Cristóbal de las Casas (Mexico) |
| Bishop Héctor López Alvarado (53) Titular Bishop of SereddeliAuxiliary Bishop of Guadalajara (Mexico)Duc in altumBorn:1970.12.13 (Guadalajara, Mexico)Ordained Priest:2002.05.19Consecrated Bishop:2018.04.21Priest of Guadalajara (Mexico) (2002.05.19 – 2018.02.02)Titular Bishop of Sereddeli (2018.02.02 – ...)Auxiliary Bishop of Guadalajara (Mexico) (2018.02.02 – ...) |
| Bishop Manuel López Arana Born:1884.04.22 (Spain)Ordained Priest:1907.07.14Consecrated Bishop:1929.03.10Died:1941.12.27 († 57)Titular Bishop of Curium (1929.02.05 – 1941.12.27)Apostolic Administrator of Ciudad Rodrigo (Spain) (1929.02.05 – 1941.12.27) |
| Bishop Luis Gregorio López Castillo Born:1759.03.12 (Spain)Consecrated Bishop:1815.10.15Died:1825.09.30 († 66)Titular Bishop of Loryma (1815.09.04 – 1825.09.30)Auxiliary Bishop of Toledo (Spain) (1815.09.04 – 1825.09.30) |
| Bishop Pedro López de Mendoza Born: (Spain)Died:1563.05.12Titular Bishop of Thermopylæ (1546.05.05 – 1563.05.12)Auxiliary Bishop of Burgos (Spain) (1546.05.05 – 1563.05.12) |
 Bishop Juan de Dios López de Victoria |
| Bishop Tomás López Durán (63) Titular Bishop of SociaAuxiliary Bishop of Puebla de los Ángeles (Mexico)Señor mio y Jesús mio |
 Bishop Christopher Lord, O. Praem. |
 Bishop Alberto Ricardo Lorenzelli Rossi, S.D.B. (71) Titular Bishop of SestaAuxiliary Bishop of Santiago (Chile)Gaudete in Domino semper |
| Bishop Elias Richard Lorenzo, O.S.B. (63) Titular Bishop of TabudaAuxiliary Bishop of Newark (USA)Nihil impossibile apud Deum |
| Bishop Anton Losinger (67) Titular Bishop of Vazi-SarraAuxiliary Bishop of Augsburg (Germany)Spiritus est qui vivificatBorn:1957.02.27 (Friedberg, Germany)Ordained Priest:1983.07.03Consecrated Bishop:2000.07.16Priest of Augsburg (Germany) (1983.07.03 – 2000.06.06)Titular Bishop of Vazi-Sarra (2000.06.06 – ...)Auxiliary Bishop of Augsburg (Germany) (2000.06.06 – ...) |
 Bishop John Kobina Louis (59) Titular Bishop of FesseëAuxiliary Bishop of Accra (Ghana)Born:1964.11.24 (Accra, Ghana)Ordained Priest:1992.07.18Consecrated Bishop:2023.04.19Priest of Accra (Ghana) (1992.07.18 – 2023.02.14)Titular Bishop of Fesseë (2023.02.14 – ...)Auxiliary Bishop of Accra (Ghana) (2023.02.14 – ...) |
| Bishop Denis Matthew Lowney Mane nobiscum DomineBorn:1863.06.01 (Ireland)Ordained Priest:1887.12.17Consecrated Bishop:1917.10.23Died:1918.08.13 († 55)Titular Bishop of Adrianopolis (1917.08.24 – 1918.08.13)Auxiliary Bishop of Providence (USA) (1917.08.24 – 1918.08.13) |
 Bishop Petro Loza, C.SS.R. (45) (Ukrainian Rite) Titular Bishop of PaniumAuxiliary Bishop of Sokal–Zhovkva of the Ukrainians (Ukraine)Господь моя скеляBorn:1979.06.03 (Kolodyantsi, Ukraine)Ordained Priest:2007.08.26Consecrated Bishop:2018.07.12Titular Bishop of Panium (2018.04.12 – ...)Auxiliary Bishop of Sokal–Zhovkva of the Ukrainians (Ukraine) (2018.04.12 – ...) |
| Bishop Stanisław Łoza Born:1573Consecrated Bishop:1635.03.04Died:1639 († 66)Titular Bishop of Argos (1634.06.12 – 1639)Auxiliary Bishop of Luck (Ukraine) (1634.06.12 – 1639) |
 Archbishop Francisco-Javier Lozano Sebastián (80) Titular Archbishop of PenafielIn veritate libertasBorn:1943.11.28 (Villaverde de Íscar, Spain)Ordained Priest:1968.03.19Consecrated Bishop:1994.07.25Priest of Sevilla (Spain) (1968.03.19 – 1994.07.09)Chaplain of His Holiness (1977.03.25 – 1992.11.26)Prelate of Honour of His Holiness (1992.11.26 – 1994.07.09)Apostolic Nuncio to Tanzania (1994.07.09 – 1999.03.20)Titular Archbishop of Penafiel (1994.07.09 – ...)Apostolic Nuncio to Democratic Republic of Congo (1999.03.20 – 2001.12.15)Apostolic Nuncio to Croatia (2003.08.04 – 2007.12.10)Apostolic Nuncio to Moldova (2007.12.10 – 2015.12.05)Apostolic Nuncio to Romania (2007.12.10 – 2015.12.05) |