| Bishops |
 Bishop Joseph Qian Hui-min (錢惠民) ▼
| Born: | 1911.03 (China) | | Ordained Priest: | 1944 | | Consecrated Bishop: | 1981.07.24 (no papal mandate) | | Died: | 1993.05.20 († 82) |
| Metropolitan Archbishop of Nanjing 南京 (China) (1981 – 1993.05.20▼) |
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Bishop Agapit Qonaisser (Greek-Melkite Rite) | Consecrated Bishop: | 1775 | | Died: | 1810 |
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Bishop Carlo Quaroni | Born: | 1833.03.02 | | Ordained Priest: | 1856.05.17 | | Consecrated Bishop: | 1894.11.11 | | Died: | 1896.01.20 († 62) |
| Titular Bishop of Cyme (1894.10.08 – 1896.01.20) |
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 Archbishop Vincentius Quatrimanus
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Archbishop Gaetano Quattrocchi | Born: | 1850.06.16 (Italy) | | Ordained Priest: | 1873.12.20 | | Consecrated Bishop: | 1896.02.17 | | Died: | 1903.06.08 († 52) |
| Titular Bishop of Europus (1896.02.11 – 1900.06.15) Bishop of Mazara del Vallo (Italy) (1900.06.15 – 1903.04.01) Titular Archbishop of Serræ (1903.04.01 – 1903.06.08) |
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 Bishop Jorge Queimada, O.E.S.A.
Titular Bishop of Fez (1599.02.01 – ?) Auxiliary Bishop of Braga (Portugal) (1599.02.01 – ?) |
Bishop Ludovicus Quémeneur | Consecrated Bishop: | 1698.01.12 | | Died: | 1704.11.17 |
| Titular Bishop of Sura (1697.08.13 – 1704.11.17) |
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  Bishop Lucilo Barrameda Quiambao (91)
Titular Bishop of Nabala
Auxiliary Bishop emeritus of Legazpi (Philippines)
Caritas vestra |
Archbishop Oriano Quilici | Born: | 1929.11.29 (Italy) | | Ordained Priest: | 1954.12.08 | | Consecrated Bishop: | 1975.12.07 | | Died: | 1998.11.02 († 68) |
| Apostolic Delegate to Republic of Congo (1975.11.13 – 1978) Apostolic Pro-Nuncio to Central African Republic (1975.11.13 – 1981.06.26) Apostolic Delegate to Chad (1975.11.13 – 1981.06.26) Titular Archbishop of Tabla (1975.11.13 – 1998.11.02) Apostolic Pro-Nuncio to Republic of Congo (1978 – 1981.06.26) Apostolic Nuncio to Guatemala (1981.06.26 – 1990.07.11) Apostolic Nuncio to Venezuela (1990.07.11 – 1997.07.08) Apostolic Nuncio to Liechtenstein (1997.07.08 – 1998.11.02) Apostolic Nuncio to Switzerland (1997.07.08 – 1998.11.02) |
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 Bishop Alexander James Quinn
Sapientia et justitia | Born: | 1932.04.08 (Cleveland, OH, USA) | | Ordained Priest: | 1958.05.24 | | Consecrated Bishop: | 1983.12.05 | | Died: | 2013.10.18 († 81) |
| Auxiliary Bishop of Cleveland (USA) (1983.10.14 – 2008.06.14) Titular Bishop of Socia (1983.10.14 – 2013.10.18) |
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 Bishop Simon Quinn
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 Bishop Manuel Quintano Bonifaz
| Born: | 1699 (Spain) | | Consecrated Bishop: | 1749.03.16 | | Died: | 1774.12.18 († 74) |
| Titular Bishop of Pharsalus (1749.01.20 – 1774.12.18) Auxiliary Bishop of Toledo (Spain) (1749.01.20 – 1774.12.18) Apostolic Administrator sede plena of Toledo (Spain) (1755.08.11 – 1774.12.18) |
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Bishop Charles-Joseph Quiqueran de Beaujeu | Born: | 1700.05.21 | | Consecrated Bishop: | 1735.08.28 | | Died: | 1737.07.24 († 37) |
| Titular Bishop of Elusa (1735.05.25 – 1737.07.24) |
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Bishop Salvador Quizon Quizon | Born: | 1924.12.06 (Philippines) | | Ordained Priest: | 1949.03.12 | | Consecrated Bishop: | 1979.08.22 | | Died: | 2016.08.05 († 91) |
| Auxiliary Bishop of Lipa (Philippines) (1979.06.09 – 2002.04.06) Titular Bishop of Feradi minus (1979.06.09 – 2016.08.05) |
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Bishop Simon Qu Tian-xi (屈天錫) ▼ | Born: | 1920 (China) | | Ordained Priest: | 1947 | | Consecrated Bishop: | 1987.12.08 (no papal mandate) | | Died: | 2000.11.02 († 79) |
| Metropolitan Archbishop of Changsha 長沙 (China) (1987 – 2000.11.02▼) |
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 Bishop Pieter Quycke
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