| Date | Age | Bishop | Title |
| unknown | | Filippo Crino (Zurio) † | Bishop of Belcastro, Italy |
| unknown | | Jakob Eberlein † | Bishop of Seckau, Austria |
| unknown | 71.0 | Giovanni de La Bronda † | Bishop of Ampurias e Civita, Italy |
| unknown | 63.0 | João Manuel de Ataíde † | Archbishop of Lisboa {Lisbon}, Portugal |
| unknown | | Innocenzo Massimi † | Bishop of Catania, Italy |
| unknown | 61.0 | Caesar Nardi, O.F.M. Conv. † | Bishop of Ossero (Osor), Croatia |
| unknown | | Miguel Santos de Sampedro † | Archbishop of Granada, Spain |
| 3 Jan | | Jerónimo Ruiz Camargo † | Bishop of Córdoba, Spain |
| 7 Jan | | Achacy Grochowski † | Bishop of Luceoria o Łuck, Ukraine |
| 28 Jan | | Merkelis Elijaševičius Geišas † | Bishop of Žemaitija (Samogizia o Tels; Zmudz), Lithuania |
| 2 Feb | 72.1 | José de Melo † | Archbishop of Évora, Portugal |
| 18 Feb | | Alessandro di Sangro † | Archbishop of Benevento, Italy |
| Mar | 53.2 | Alfonso Petrucci † | Bishop of Chiusi, Italy |
| 29 Mar | 46.9 | Johann Georg Fuchs von Dornheim † | Bishop of Bamberg, Germany |
| 4 Apr | | Antonio Corrionero † | Bishop of Salamanca, Spain |
| 4 May | 70.3 | Domenico Pichi † | Bishop of Amelia, Italy |
| 13 May | | Jan Andrzej Próchnicki † | Archbishop of Lviv, Ukraine |
| 16 May | 46.4 | Michael Dalmeras † | Bishop of Vaison, France |
| 17 May | 56.4 | Gonzalo de Angulo, O.M. † | Bishop of Coro, Venezuela |
| 21 May | 73.4 | Christoph Weber † | Auxiliary Bishop of Mainz, Germany |
| 23 May | 67.4 | Joannes Mattaeus Caryophyllis † | Titular Archbishop of Iconium |
| 25 May | 88.4 | Attilio Amalteo † | Apostolic Nuncio Emeritus to Germany |
| 5 Jun | 53.4 | Bernardo Inghirami † | Bishop of Volterra, Italy |
| 22 Jun | 66.5 | Marius Antonini † | Auxiliary Bishop of Albano, Italy |
| 4 Jul | | Manoel Telles, O.P. † | Archbishop of Goa, India |
| Aug | 66.2 | Cosimo della Gherardesca † | Bishop of Fiesole, Italy |
| 4 Aug | 58.6 | Baldassare Cagliares, O.S.Io.Hieros. † | Bishop of Malta |
| 21 Aug | 58.6 | Cosimo Mannucci † | Bishop of Terni, Italy |
| Sep | | Girolamo Costanzo † | Archbishop of Capua, Italy |
| Sep | 91.0 | Juan Bartolome de Bohórquez e Hinojosa, O.P. † | Bishop of Antequera, Oaxaca, México |
| 11 Sep | | Raffaele Rastelli, C.R. † | Bishop of Capri, Italy |
| 26 Sep | 54.2 | Bernardino de Almansa Carrión † | Archbishop of Santafé en Nueva Granada, Colombia |
| Oct | | Johannes Pyber de Gyerkény † | Bishop of Eger, Hungary |
| Oct | | Diego Vargas † | Bishop of Potenza, Italy |
| 2 Oct | 57.8 | Scipione Caffarelli-Borghese † | Cardinal, Bishop of Sabina, Italy |
| 21 Oct | 53.8 | Giuseppe di Ceva † | Bishop of Ivrea, Italy |
| 21 Oct | 70.2 | Johannes Malderus (van Malderen) † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 28 Oct | 66.8 | Diego Correia Valente, S.J. † | Bishop of Funay (Funai), Japan |
| Nov | 50.8 | Lorenzo Azzolini † | Bishop of Narni, Italy |
| Nov | 55.8 | Tommaso Cellesi † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 3 Nov | | Tommaso Ximenes † | Bishop of Fiesole, Italy |
| Dec | | Pietro Cedolini † | Bishop of Hvar (Lesina), Croatia |
| 13 Dec | | Giovanni Battista Toschi † | Bishop of Rieti, Italy |
| 25 Dec | | Christophorus de Morlet † | Bishop of Saint-Omer, France |