| Date | Age | Bishop | Title | 
|---|
| unknown |  | Antonio  † | Archbishop of Santa Severina, Italy | 
| unknown |  | Barnabo de Bennatis † | Bishop of Assisi, Italy | 
| unknown | 31.0 | Louis Camanias, O.F.M. † | Bishop of Ottana, Italy | 
| unknown |  | Toussaint Castellani, O. Carm. † | Auxiliary Bishop of Reims, France | 
| unknown |  | Palamides de Cuncto, O.S.C. † | Bishop of Minori, Italy | 
| unknown |  | Giovanni Gianderoni, O.S.A. † | Bishop of Massa Marittima, Italy | 
| unknown |  | Jean Goberti † | Bishop of Orange, France | 
| unknown |  | Yvo Guillen Brito † | Bishop of Dromore, Ireland | 
| unknown |  | Martin Krzeszowski † | Bishop of Lutsk (Łuck), Ukraine | 
| unknown |  | Cristoforo Magno † | Bishop of Castro [di Sardegna], Italy | 
| unknown |  | Ross Maguire † | Bishop Emeritus of Clogher, Ireland | 
| unknown |  | Domenico Manfredi de Riparolio, O.S.B. † | Bishop of Ivrea, Italy | 
| unknown |  | Pietro Marcius, O.F.M. † | Bishop of Scardona (Skradin), Croatia | 
| unknown |  | Vittore Marcello † | Archbishop of Nicosia, Cyprus | 
| unknown |  | Jean de Mareuil † | Bishop of Uzés, France | 
| unknown |  | Richard Martin † | Bishop of Saint David’s, Wales, Great Britain | 
| unknown |  | Hermann Molitoris, O.P. † | Auxiliary Bishop of Halberstadt, Germany | 
| unknown |  | Nicholas O’Hennesy, O. Cist. † | Bishop of Waterford and Lismore, Ireland | 
| unknown |  | Odon Ozic, O.S.A. † | Bishop of Vaison, France | 
| unknown |  | Gabriele Piccolomini, O.F.M. † | Bishop of Chiusi, Italy | 
| unknown |  | Nicola de Pineo † | Bishop of Castro di Puglia, Italy | 
| unknown |  | Giovanni Antonio Pitito Saponaria, O.F.M. Conv. † | Bishop of Marsico Nuovo, Italy | 
| unknown |  | Tommaso de Regibus † | Bishop of Acqui, Italy | 
| unknown |  | Jean de Sallinis, O.F.M. † | Bishop of Bosa, Italy | 
| unknown | 41.0 | Frédéric de Saluces † | Administrator of Carpentras, France | 
| unknown |  | Jacobello de Seminaria, O.F.M. † | Bishop of Bova, Italy | 
| unknown |  | Giacomo Trugloni † | Bishop of Trogir (Traù), Croatia | 
| Jan |  | Ludovico de Pinnis † | Bishop of Nardò, Italy | 
| Jan |  | Godefridus Yerwerd, O.S.B. † | Auxiliary Bishop Emeritus of Utrecht, Netherlands | 
| 11 Jan |  | John Laing (Layne) † | Bishop of Glasgow, Scotland, Great Britain | 
| 22 Jan | 80.0 | Guillaume d’Estouteville, O.S.B. † | Cardinal, Archbishop of Rouen, France | 
| 29 Jan |  | Pascal Dufour † | Bishop of Pamiers, France | 
| 5 Feb |  | Hubert Yffz (de Rommersdorf), O. Praem. † | Auxiliary Bishop of Trier, Germany | 
| 16 Mar |  | Jean Huet † | Bishop of Toulon, France | 
| Apr | 43.2 | Andrzej Oporowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| Apr |  | Pietro Orseoli † | Archbishop of Santa Severina, Italy | 
| 8 Apr |  | Peder Nielsen Lodehat † | Bishop of Ribe, Denmark | 
| 13 May |  | Louis de Melun † | Bishop of Meaux, France | 
| 22 Jun | 75.4 | Jean Rolin † | Cardinal, Bishop of Autun, France | 
| 26 Jun | 65.4 | Isnard de Grasse † | Bishop of Grasse, France | 
| Aug |  | Francesco de Arenis † | Archbishop of Brindisi, Italy | 
| 28 Aug |  | Jean de Lescar † | Archbishop of Auch, France | 
| 30 Aug |  | James Levingston † | Bishop of Dunkeld, Scotland, Great Britain | 
| Sep |  | Matthias O’Griffith † | Bishop of Killaloe, Ireland | 
| 2 Sep | 60.6 | Ausias Despuig † | Cardinal, Archbishop of Monreale, Italy | 
| 21 Sep | 73.7 | Friedrich Sesselmann † | Bishop of Lebus, Germany | 
| 26 Sep |  | Erasmus Perchinger, O.F.M. † | Auxiliary Bishop of Freising, Germany | 
| 7 Oct | 53.7 | Ferry de Clugny † | Cardinal, Bishop of Tournai {Doornik}, Belgium | 
| 21 Oct | 39.8 | Francesco Gonzaga † | Cardinal, Administrator of Mantova, Italy | 
| Nov |  | John Roger † | Bishop of Raphoe, Ireland | 
| 9 Nov |  | Urbain de Chevron Villette † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France | 
| 24 Nov |  | William Dudley † | Bishop of Durham, England, Great Britain | 
| 24 Dec |  | Antonio Ricci † | Bishop of Lecce, Italy | 
| 26 Dec |  | Stefano Grube † | Archbishop of Riga, Latvia | 
| 29 Dec |  | Jean de Montalembert, O.S.B. † | Bishop of Montauban, France |