| Date | Age | Bishop | Title |
|---|
| unknown | | Denis Delfino † | Bishop of Vicenza, Italy |
| unknown | | Giuseppe Delfino † | Coadjutor Bishop of Vicenza, Italy |
| unknown | | Ettore Gironda † | Bishop of Massa Lubrense, Italy |
| unknown | | Adam Górski, O.F.M. Conv. † | Bishop of Bacău, Romania |
| unknown | 49.0 | Ovidio Lupari † | Bishop of Teano, Italy |
| unknown | 57.0 | Ottavio Mancini † | Bishop Emeritus of Cavaillon, France |
| unknown | 67.0 | Lorenzo Nieto y Corrales Montero Nieto, O.S.B. † | Archbishop of Cagliari, Italy |
| unknown | 63.0 | Gregorio Pomodoro † | Bishop of Larino, Italy |
| unknown | | Juan Rentería † | Bishop of Nueva Segovia, Philippines |
| unknown | | Bernardino de Salazar y Frías † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| unknown | 32.0 | Rodolfo Rodolfi-Sforza † | Bishop of Pula (Pola), Croatia |
| unknown | 58.0 | Felice Siliceo † | Bishop of Troia, Italy |
| unknown | 72.0 | Francesco Ubaldi † | Titular Archbishop of Caesarea in Cappadocia |
| 11 Jan | | Fabrizio Caracciolo † | Bishop of Tropea, Italy |
| 13 Jan | 44.0 | João de Lencastre † | Bishop of Lamego, Portugal |
| 18 Jan | 79.0 | Jérôme de Villars † | Archbishop of Vienne, France |
| 23 Jan | 70.0 | Decio Carafa † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 24 Jan | 58.2 | Jakob Fugger von Kirchberg Weissen Horn † | Bishop of Konstanz {Constance}, Germany |
| Feb | 68.0 | Vincenzo Caputo † | Bishop of Andria, Italy |
| 21 Feb | 52.2 | Odoardo Farnese † | Cardinal, Cardinal-Bishop of Frascati |
| 25 Feb | | Giovanni Maria Belletti † | Bishop of Gerace, Italy |
| 25 Feb | 52.1 | Henryk Firlej † | Archbishop of Gniezno, Poland |
| 10 Mar | 65.1 | Garcerán Albañell † | Archbishop of Granada, Spain |
| 3 Apr | 63.2 | François de Donnadieu, O.S.B. † | Bishop of Saint-Papoul, France |
| 7 Apr | 76.0 | Andrés Pacheco † | Bishop Emeritus of Cuenca, Spain |
| 11 Apr | 74.5 | Andrés Balaguer Salvador, O.P. † | Bishop of Orihuela, Spain |
| 2 May | | Gilles de Septres † | Bishop of Toulon, France |
| 10 May | | Juan Estelrich † | Bishop of Jaca, Spain |
| 13 May | | Paizjusz (Paisij) Onikiewicz-Sachowski (Onyskevyc Saxovskyj) † | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus |
| 22 May | | Juan Hoces † | Archbishop of Tarragona, Spain |
| 23 May | 71.3 | Hermann Ottemberg † | Bishop of Arras, France |
| 19 Jun | 71.5 | Agustín Antolínez, O.S.A. † | Archbishop of Santiago de Compostela, Spain |
| 21 Jun | 21.4 | Enrique Guzmán de Haros † | Cardinal, Cardinal-Priest |
| 22 Jun | | Gian Gerolamo Campanili † | Bishop of Isernia, Italy |
| 29 Jun | 62.4 | Scipione Cobelluzzi † | Cardinal, Librarian of the Vatican Library |
| 29 Jun | | Teodosij Teodor Meleško † | Bishop of Chełm and Bełz (Ukrainian), Poland |
| Jul | 51.5 | Hector de Monte † | Bishop of Termoli, Italy |
| Aug | | Pietro Paolo Quintavalle † | Bishop of Città Ducale, Italy |
| 5 Aug | 61.5 | Marco La Cava † | Bishop of Mazara del Vallo, Italy |
| 7 Aug | 46.5 | Girolamo Ricciulli † | Bishop of Belcastro, Italy |
| 11 Aug | | Antonio Seneca † | Bishop of Anagni, Italy |
| 15 Aug | 64.6 | Girolamo Asteo, O.F.M. Conv. † | Bishop of Veroli, Italy |
| 22 Aug | 34.6 | Alessandro Orsini † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 23 Aug | 58.6 | Francesco Cereo de Mayda, O.M. † | Bishop of Lavello, Italy |
| 25 Aug | 44.6 | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
| 27 Aug | 77.1 | Francesco Maria Bourbon Del Monte Santa Maria † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 2 Sep | 40.9 | Bl. Antonio Franco † | Prelate of Santa Lucia del Mela, Italy |
| 16 Sep | 53.9 | Denis-Simon de Marquemont † | Cardinal, Archbishop of Lyon, France |
| 17 Sep | 73.1 | Johann Schweikard von Kronberg † | Archbishop of Mainz, Germany |
| 22 Sep | 50.7 | Hugh McCaughwell, O.F.M. Obs. † | Archbishop of Armagh, Ireland |
| Oct | | Vincenzo Arrigoni, O.P. † | Bishop of Šibenik (Knin), Croatia |
| 13 Oct | 66.7 | Domingo (Pedro) de Oña, O. de M. † | Bishop of Gaeta, Italy |
| 14 Oct | 68.7 | Miguel Angulo Gómez de Carvajal, O.S. † | Auxiliary Bishop of Valencia, Spain |
| 29 Oct | 39.5 | Ferdinando Gonzaga † | |
| 20 Nov | | Guillaume Du Nozet † | Titular Archbishop of Seleucia in Isauria |
| 25 Nov | | Adam Betz (Petz) † | Auxiliary Bishop of Strasbourg, France |
| 30 Nov | 63.9 | Claude d’Ormy † | Bishop of Boulogne (-Sur-Mer), France |
| Dec | | Antoine Barile, O.F.M. † | Titular Bishop of Temnus |
| Dec | | Francesco Monaco † | Bishop of Martirano (Martoranum), Italy |
| 1 Dec | 71.9 | Antoine de Hennin † | Bishop of Ypres (Ieper), Belgium |
| 6 Dec | 80.1 | Sancho Dávila y Toledo † | Bishop of Plasencia, Spain |
| 13 Dec | 68.9 | Francisco González Zárate (de Gamarra) † | Bishop of Ávila, Spain |
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