| Date | Age | Bishop | Title |
| unknown | | Giovanni Battista Albani † | Titular Patriarch of Alexandria {Alessandria} |
| unknown | | José Anglés, O.F.M. Obs. † | Bishop of Bosa, Italy |
| unknown | | Pedro Bonet Santamaría † | Bishop of Elne, France |
| unknown | | Tiberio Carafa † | Bishop of Cassano all’Jonio, Italy |
| unknown | 64.0 | Pedro Martín Fernández, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| unknown | 46.0 | Giuseppe Faraoni † | Bishop of Crotone (Cotrone), Italy |
| unknown | | Francesco Figo † | Archbishop of Oristano, Italy |
| unknown | | Serafino Fortibraccia, O.P. † | Bishop of Nemosia (Limasol), Cyprus |
| unknown | 61.0 | Bernardo Lauro, O.P. † | Bishop of Santorini {Thira}, Greece |
| unknown | | Charles de Marcilly, O.S.B. † | Bishop of Autun, France |
| unknown | | Anto Matković (Poli de Mathaeis), O.F.M. Obs. † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| unknown | 69.0 | Diego de Salamanca, O.E.S.A. † | Bishop Emeritus of Puerto Rico (Porto Rico) |
| unknown | | Nicola Stridoni, O.S.C. † | Bishop of Mylopotamos, Greece |
| unknown | | Jan Wegorszewski, O. Cist. † | Auxiliary Bishop of Poznań, Poland |
| 26 Jan | | Louis de La Haye † | Bishop of Vannes, France |
| Feb | | Guillaume Le Blanc † | Bishop of Toulon, France |
| 14 Feb | | Antonio Torres † | Bishop of Astorga, Spain |
| 4 Apr | | Raffaele Bonelli † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 15 Apr | | Martin Radwiger, O.S.A. † | Bishop-Elect of Wiener Neustadt, Austria |
| 22 Apr | | Giuseppe Donzelli, O.P. † | Archbishop of Sorrento, Italy |
| 23 Apr | | Andino de Garidelli † | Bishop of Vence, France |
| 24 May | | Juan Méndez de Salvatierra † | Archbishop of Granada, Spain |
| 28 May | 83.4 | Francesco Bandini Piccolomini † | Archbishop of Siena, Italy |
| 25 Jun | | Gerolamo Mazzarelli † | Bishop of Nona (Nin), Croatia |
| 30 Jun | 67.5 | Juan de Medina Rincón y de la Vega, O.S.A. † | Bishop of Michoacán, México |
| 5 Jul | 56.5 | Cornelio Firmano † | Bishop of Osimo, Italy |
| 28 Jul | | Giuliano de’ Medici † | Bishop of Albi, France |
| Aug | | Vincenzo Brancaleoni † | Bishop of Teano, Italy |
| Aug | | Étienne Deodat † | Bishop of Grasse, France |
| 11 Aug | 75.6 | Bernardino Bricennio (Brisseno) † | Bishop of Vigevano, Italy |
| 19 Aug | 52.6 | Sebastião de Morais, S.J. † | Bishop of Funay (Funai), Japan |
| 30 Aug | 74.6 | Giovanni Antonio Volpi † | Bishop of Como, Italy |
| 19 Sep | | András Cernotta, O.F.M. Obs. † | Bishop of Arbe (Rab), Croatia |
| 2 Nov | 65.8 | Guillaume Damasi Van der Linden (Lindanus) † | Bishop of Gent {Ghent, Gand}, Belgium |
| 9 Nov | 55.8 | Jean de Clausse de Mouchy † | Bishop of Senez, France |
| 12 Nov | | Cesare Marullo † | Archbishop of Palermo, Italy |
| 24 Dec | 33.4 | Louis II de Guise de Lorraine † | Cardinal, Archbishop of Reims, France |
| 25 Dec | | Noël Venier † | Archbishop of Zadar (Zara), Croatia |