| Date | Age | Bishop | Title |
| unknown | | Luigi Cavalcanti † | Bishop of Bisignano, Italy |
| unknown | | William Chisholm † | Bishop of Dunblane, Scotland, Great Britain |
| unknown | | Alberto Divini, O.P. † | Bishop of Krk (Veglia), Croatia |
| unknown | | Andrés de la Cuesta † | Bishop of León, Spain |
| unknown | | Egidio Foscherani, O.P. † | Bishop of Modena, Italy |
| unknown | | Pietro de Gozzo, O.P. † | Bishop of Stagno (Ston), Croatia |
| unknown | | Filippo Lancia † | Bishop of Lipari, Italy |
| unknown | 71.0 | Alvaro Moscoso † | Bishop of Zamora, Spain |
| unknown | | Bernard O’Higgins, O.S.A. † | Bishop Emeritus of Elphin, Ireland |
| unknown | | Charles de Pisseleu † | Bishop of Condom, France |
| unknown | | Francisco Ramírez † | Bishop of Cuzco, Peru |
| 7 Jan | | Fernando de Menezes Coutinho e Vasconcellos † | Archbishop of Lisboa {Lisbon}, Portugal |
| 21 Jan | | Nino Nini † | Bishop of Potenza, Italy |
| Mar | | Giulio Rossi † | Bishop of San Leone, Italy |
| 27 Apr | | Ottaviano Guasco † | Bishop of Alessandria (della Paglia), Italy |
| 2 May | 64.2 | Rodolfo Pio † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 11 May | | Leone Orsini † | Bishop of Fréjus, France |
| 1 Jul | | Egidio Falcetta de Cingulo † | Bishop of Bertinoro, Italy |
| 3 Aug | | Scipione Bongalli † | Bishop of Civita Castellana e Orte, Italy |
| Sep | 77.7 | Rodrigo González de Marmolejo † | Bishop of Santiago de Chile |
| 3 Sep | | Julius von Pflug † | Bishop of Naumburg, Germany |
| 25 Sep | 74.7 | Bernardo Manrique, O.P. † | Bishop of Málaga, Spain |
| 6 Oct | 45.9 | Guido Ascanio Sforza di Santa Fiora † | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber |
| 27 Oct | 80.8 | Cristoforo Guidalotti Ciocchi del Monte † | Cardinal, Bishop of Cagli, Italy |
| 15 Dec | | Georg Flach, O.S.B. † | Auxiliary Bishop of Würzburg, Germany |