| Date | Age | Bishop | Title |
| unknown | 55.0 | Giacomo Accarisi † | Bishop of Vieste, Italy |
| unknown | 42.0 | Giovanni de la Cruz, O.F.M. † | Bishop-Elect of Trivento, Italy |
| unknown | 60.0 | Andrzej Gembicki † | Bishop of Lutsk (Łuck), Ukraine |
| unknown | | Nicolas Albert Gniewosz de Olexow † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| unknown | 65.0 | Vincenzo Rabatta † | Archbishop of Chieti, Italy |
| unknown | | Andrzej Śrzedziński † | Auxiliary Bishop of Lviv, Ukraine |
| 5 Jan | 57.3 | Benedikt Orsini, O.F.M. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 24 Jan | 64.0 | Richard Paul Stravius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 4 Feb | 74.2 | Pierre Camelin † | Bishop of Fréjus, France |
| 4 Feb | | Kaspar Münster, O. Carm. † | Auxiliary Bishop of Osnabrück, Germany |
| 21 Feb | | Esteban de Esmir † | Bishop of Huesca, Spain |
| 21 Mar | 70.2 | Jean-François de Gondi † | Archbishop of Paris, France |
| 26 Apr | 59.6 | Alessandro Argoli † | Bishop of Veroli, Italy |
| 4 May | 75.3 | Thomas Walsh † | Archbishop of Cashel, Ireland |
| 5 May | | Juan Garcilaso de la Vega † | Bishop of Santiago de Guatemala |
| 26 May | 55.4 | Franciszek Dołmat Isajkowski † | Bishop of Smoleńsk, Poland |
| Jun | 68.4 | Blas Tineo Palacios, O. de M. † | Auxiliary Bishop of Granada, Spain |
| 5 Jun | 62.4 | Charles-Jacques de Gelas de Léberon † | Bishop of Valence and Die, France |
| 8 Jul | 80.5 | Cristóbal de Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 12 Jul | | Antonio Calderón † | Archbishop-Elect of Granada, Spain |
| 16 Aug | 58.6 | Roberto Fontana † | Bishop of Modena, Italy |
| Sep | | Giovanni de Fossé † | Bishop of Castres, France |
| Sep | 52.6 | Muzio de Rosis † | Bishop of Teano, Italy |
| 8 Sep | 49.6 | Albert von Priamis † | Bishop of Lavant, Slovenia |
| Oct | 57.7 | Pompeo Mignucci, O.S.H. † | Bishop of Acquapendente, Italy |
| Oct | 38.7 | Thomas Tomassoni, O.P. † | Bishop of Umbriatico (Umbriaticum), Italy |
| 4 Oct | 49.7 | Marco Morosini † | Bishop of Brescia, Italy |
| 7 Oct | 60.0 | Claude D’Achey † | Archbishop of Besançon, France |
| 24 Oct | | Dionisio Bussotti, O.S.M. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 5 Nov | 44.0 | Francesco Carducci † | Bishop of Valva e Sulmona, Italy |
| 26 Nov | 65.4 | Giovanni Battista Altieri (Sr.) † | Cardinal, Bishop of Todi, Italy |
| Dec | | Calanio della Ciaja † | Bishop of Nardň, Italy |
| Dec | 38.9 | Louis de La Rochefoucauld † | Bishop of Lectoure, France |
| 11 Dec | | Pietro Frescobaldi † | Bishop of San Miniato, Italy |
| 30 Dec | 47.5 | Andrea Massa † | Bishop of Gallipoli, Italy |