| Date | Age | Bishop | Title | 
| unknown |  | Pietro Clemens, O. Carm. † | Bishop of Ales e Terralba, Italy | 
| unknown |  | Juan d’Espinar † | Prelate of Santa Lucia del Mela, Italy | 
| unknown |  | Domingo de Ulloa, O.P. † | Bishop of Michoacán, México | 
| unknown |  | Michael Fitzwalter † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland | 
| unknown |  | Marcel de Lorenzi † | Bishop of Strongoli, Italy | 
| unknown |  | João Ribeiro Gaio † | Bishop of Malacca, Singapore | 
| unknown |  | Annibal de Ruccellai (Oricellari) † | Bishop of Carcassonne, France | 
| unknown |  | Achille Sergardi † | Bishop of Massa Marittima, Italy | 
| unknown |  | Tommaso Sirleto † | Bishop of Squillace, Italy | 
| unknown | 79.0 | Gianfrancesco Sormani † | Bishop of Montefeltro, Italy | 
| 3 Jan |  | Alberto Drago, O.P. † | Bishop of Termoli, Italy | 
| 3 Jan | 52.0 | Peter von Rascher † | Bishop of Chur, Switzerland | 
| 10 Jan | 56.0 | Alessandro de Franceschi, O.P. † | Bishop Emeritus of Forli, Italy | 
| 20 Jan |  | Thomas Strong † | Auxiliary Bishop of Santiago de Compostela, Spain | 
| 29 Jan |  | Pedro Jaime † | Bishop of Albarracin, Spain | 
| 26 Feb |  | Horace René de Birague † | Bishop of Lavaur, France | 
| 3 Mar |  | Louis du Moulinet † | Bishop Emeritus of Sées {Séez}, France | 
| 4 Mar |  | Gentile Dolfino † | Bishop of Camerino, Italy | 
| 10 Mar |  | Massimiliano Beniamino, O.F.M. Conv. † | Bishop of Chioggia, Italy | 
| 11 Mar |  | Vincenzo Bonardo, O.P. † | Bishop of Gerace, Italy | 
| 15 Mar |  | Raymond O’Gallagher † | Bishop of Derry, Ireland | 
| 17 Mar | 41.2 | Lorenz Eiszepf † | Auxiliary Bishop of Eichstätt, Germany | 
| 5 Apr | 63.2 | Wolfgang Kämmerer von Dalberg † | Archbishop of Mainz, Germany | 
| 12 Apr | 81.2 | Girolamo Bentivoglio † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy | 
| 6 May |  | Properzio Resta, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy | 
| 15 May | 62.7 | Claude d’Angennes † | Bishop of Le Mans, France | 
| 18 May | 65.3 | Pietro Ridolfi, O.F.M. Conv. † | Bishop of Senigallia, Italy | 
| 31 May | 53.5 | Gebhard Truchseß von Waldburg † | Former Archbishop-Elect of Köln {Cologne}, Germany | 
| 23 Jun |  | Salvat d’Iharse † | Bishop of Tarbes, France | 
| 15 Aug | 72.6 | Diego Gómez de Lamadrid, O.SS.T. † | Bishop of Badajoz, Spain | 
| 23 Aug | 66.8 | Francisco Reinoso Baeza † | Bishop of Córdoba, Spain | 
| 7 Oct |  | Miguel Espinosa † | Auxiliary Bishop of Valencia, Spain | 
| Nov |  | Ludovico Martelli † | Bishop of Chiusi, Italy | 
| 11 Nov |  | Juan de Castro, O.S.B. † | Archbishop of Taranto, Italy | 
| 16 Nov | 56.8 | János Kutasy † | Archbishop of Esztergom, Hungary | 
| 29 Nov | 40.9 | Guillaume Le Blanc † | Bishop of Vence, France | 
| 31 Dec |  | Juan García † | Bishop of Almería, Spain |