| Date | Age | Bishop | Title |
|---|
| unknown | 63.0 | Gianfrancesco Bruno † | Bishop of Nola, Italy |
| unknown | | Rosmano Casamassima † | Bishop Emeritus of Polignano (Polinianum), Italy |
| unknown | | Marzio Cerboni † | Bishop of Caserta, Italy |
| unknown | | Jerzy Chwalczewski (Palczewski) † | Bishop of Lutsk (Łuck), Ukraine |
| unknown | 75.0 | Angelo Colocci † | Bishop of Nocera Umbra, Italy |
| unknown | | Giovanni de Rosa † | Bishop of Krk (Veglia), Croatia |
| unknown | | Guglielmo (Alessandro) Arborio di Gattinara, O.E.S.A. † | Auxiliary Bishop of Ivrea, Italy |
| unknown | | Giovanni Mohedani † | Bishop of Ravello, Italy |
| unknown | | Taddeo Pepoli, O.S.B. † | Bishop of Carinola (Calina), Italy |
| unknown | | Pierre Van Der Worst † | Bishop of Acqui, Italy |
| unknown | | Johann von Malentein † | Bishop of Seckau, Austria |
| 22 Jan | 82.0 | Giorgio Andreasi † | Bishop of Reggio Emilia, Italy |
| 14 Feb | 60.0 | Uberto Gambara † | Cardinal, Bishop Emeritus of Tortona, Italy |
| 26 Feb | 54.1 | Antonio de Valdivieso, O.P. † | Bishop of Nicaragua |
| 7 Mar | | Gerolamo Argentini † | Bishop of Hvar (Lesina), Croatia |
| 3 Apr | | Ascanio Parisani † | Cardinal, Bishop of Rimini, Italy |
| 23 Jun | | Francisco Estańa (Stania) † | Auxiliary Bishop of Valencia, Spain |
| 31 Jul | | Juan Aceres † | Bishop of Ciudad Rodrigo, Spain |
| 14 Aug | 49.6 | Filiberto Ferrero † | Cardinal, Bishop of Ivrea, Italy |
| 19 Aug | | Johann Zolner † | Auxiliary Bishop of Regensburg, Germany |
| 21 Aug | | Diego Soto Valera † | Bishop of Mondońedo, Spain |
| 1 Sep | | Louis de Castelnau † | Bishop of Tarbes, France |
| 16 Sep | | Antonio Ramírez de Haro † | Bishop of Segovia, Spain |
| 21 Sep | 51.8 | Benedetto de Accolti † | Cardinal, Archbishop of Ravenna, Italy |
| 12 Oct | 66.7 | Pál Várdai † | Archbishop of Esztergom, Hungary |
| 4 Nov | 79.8 | Bartolomeo Guidiccioni † | Cardinal, Bishop of Lucca, Italy |
| 10 Nov | 81.6 | Alessandro Farnese † | Pope (Roma {Rome}, Italy) |
| 30 Nov | 58.9 | Johann von Maltitz † | Bishop of Meißen (Meissen), Germany |
| 4 Dec | | Luzius Iter † | Bishop of Chur, Switzerland |
| 19 Dec | 83.9 | Ennio Filonardi † | Cardinal, Administrator of Montefeltro, Italy |
| 23 Dec | | Matthew Sanders † | Bishop of Leighlin, Ireland |
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