| Date | Age | Bishop | Title |
|---|
| unknown | | Domenico Casabianca, O.P. † | Bishop of Vico Equense, Italy |
| unknown | | Luigi Cavalcanti † | Bishop of Bisignano, Italy |
| unknown | | William Chisholm † | Bishop of Dunblane, Scotland, Great Britain |
| unknown | | Andrés de la Cuesta † | Bishop of León, Spain |
| unknown | 62.0 | Onorato Fascitelli, O.S.B. † | Bishop Emeritus of Isola, Italy |
| unknown | | Stefano Gattalusio, O.S.B. † | Bishop of Milos (Melos), Greece |
| unknown | | Pietro de Gozzo, O.P. † | Bishop of Stagno (Ston), Croatia |
| unknown | | Filippo Lancia † | Bishop of Lipari, Italy |
| unknown | 31.0 | François L’Estrange † | Bishop of Alet, France |
| unknown | 71.0 | Alvaro Moscoso † | Bishop of Zamora, Spain |
| unknown | | Francisco Ramírez † | Bishop of Cuzco, Peru |
| unknown | | Toma Skorojević, O.F.M. † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| 7 Jan | 84.0 | Fernando de Menezes Coutinho e Vasconcellos † | Archbishop of Lisboa, Portugal |
| 10 Jan | | Luigi Vannini de Theodoli, C.R.L. † | Bishop of Bertinoro, Italy |
| 21 Jan | 81.0 | Tomaso Campeggi † | Bishop Emeritus of Feltre, Italy |
| 21 Jan | 60.0 | Nino Nini † | Bishop of Potenza, Italy |
| 4 Feb | 42.0 | François de Pisseleu † | Bishop Emeritus of Amiens, France |
| 23 Feb | 52.1 | Egidio Foscarari, O.P. † | Bishop of Modena, Italy |
| 25 Feb | | Bernard O’Higgins, O.S.A. † | Bishop Emeritus of Elphin, Ireland |
| Mar | | Giulio Rossi † | Bishop of San Leone, Italy |
| 5 Apr | 58.8 | Giovanni Girolamo de’ Rossi † | Bishop of Pavia, Italy |
| 27 Apr | | Ottaviano Guasco † | Bishop of Alessandria (della Paglia), Italy |
| 28 Apr | 42.3 | Aymar de Maugiron † | Bishop of Glandèves, France |
| 2 May | 64.1 | Rodolfo Pio † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 3 May | 59.3 | Acisclo de Moya y Contreras † | Archbishop of Valencia, Spain |
| 11 May | 51.3 | Leone Orsini † | Bishop of Fréjus, France |
| 1 Jul | | Egidio Falcetta de Cingulo † | Bishop of Bertinoro, Italy |
| 24 Jul | | Giulio Galletto † | Bishop Emeritus of Alessano, Italy |
| Aug | 54.5 | Ivan Albert Gliričić Dujmić, O.P. † | Bishop of Krk (Veglia), Croatia |
| 3 Aug | 63.5 | Scipione Bongalli † | Bishop of Civita Castellana e Orte, Italy |
| 10 Aug | | Andrea de Monti, O.S.A. † | Auxiliary Bishop of Ivrea, Italy |
| 3 Sep | 65.6 | Julius von Pflug † | Bishop of Naumburg, Germany |
| 4 Sep | 69.6 | Charles de Pisseleu † | Bishop of Condom, France |
| 25 Sep | 74.7 | Bernardo Manrique, O.P. † | Bishop of Málaga, Spain |
| 6 Oct | 45.8 | Guido Ascanio Sforza di Santa Fiora † | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber |
| 9 Oct | 77.7 | Rodrigo González de Marmolejo † | Bishop-Elect of Santiago de Chile |
| 9 Oct | | Cuthbert Scott † | Bishop Emeritus of Chester, England, Great Britain |
| 13 Oct | 64.7 | Pierre Duval † | Bishop Emeritus of Sées {Séez}, France |
| 27 Oct | 80.8 | Cristoforo Guidalotti Ciocchi del Monte † | Cardinal, Bishop of Cagli, Italy |
| 3 Nov | | Manuel de Noronha † | Bishop of Lamego, Portugal |
| 13 Dec | 59.9 | Charles de Croy, O.S.B. † | Bishop of Tournai {Doornik}, Belgium |
| 15 Dec | 59.9 | Georg Flach, O.S.B. † | Auxiliary Bishop of Würzburg, Germany |
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