| Date | Age | Bishop | Title |
|---|
| unknown | | Crisostomo Arneo, O.S.B. † | Bishop of Stagno (Ston), Croatia |
| unknown | 67.0 | Lorenzo Asprella † | Bishop of Massa Lubrense, Italy |
| unknown | | Giovanni Battista Bernini, O.F.M. Conv. † | Bishop of Chiron, Greece |
| unknown | | Aloisio Bollani, O.S.C. † | Bishop of Mylopotamos, Greece |
| unknown | | Annibale Caracciolo † | Bishop of Isola, Italy |
| unknown | | Alessandro Centurione † | Archbishop Emeritus of Genova, Italy |
| unknown | | Alessandro Guidiccioni † | Bishop Emeritus of Lucca, Italy |
| unknown | | Juan Guzmán † | Patriarch of West Indies, Spain |
| unknown | | Simeone Metis † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| unknown | | Bernardino Morra † | Bishop of Aversa, Italy |
| unknown | 66.0 | Fantino Petrignani † | Archbishop Emeritus of Cosenza, Italy |
| unknown | | Baldassarre Pusterla † | Bishop of Bitetto, Italy |
| unknown | | Ferdinando Spinelli † | Bishop of Policastro, Italy |
| unknown | | Lajos Ujlaky † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| 10 Jan | 86.0 | Philippe du Bec † | Archbishop of Reims, France |
| 20 Jan | | Lorenzo Figueroa Córdoba, O.P. † | Bishop of Sigüenza, Spain |
| 25 Jan | | Gaspare Viviani † | Bishop of Anagni, Italy |
| 4 Feb | 75.0 | Arnauld de Pontac † | Bishop of Bazas, France |
| 24 Feb | 83.1 | Girolamo Simoncelli † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 25 Feb | 64.1 | Mario Bolognini † | Archbishop of Salerno, Italy |
| 3 Mar | 69.0 | Ippolito Aldobrandini (Sr.) † | Pope (Roma {Rome}, Italy) |
| 27 Apr | 50.2 | Girolamo Agucchi † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 27 Apr | 69.9 | Alessandro Ottaviano de’ Medici † | Pope (Roma {Rome}, Italy) |
| 2 May | 64.3 | Léonardo Abel † | Titular Bishop of Sidon |
| 14 May | | Dionys Burckard (Burkhard) † | Auxiliary Bishop of Speyer, Germany |
| 16 May | | Marin Braiani (Brajanovic), O.F.M. Obs. † | Bishop Emeritus of Lezhë {Lesh, Alessio}, Albania |
| 31 May | 51.4 | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| Jun | | Offredo de Offredi † | Bishop of Molfetta, Italy |
| 5 Jun | 72.4 | Bertrand Barrau du Pouron † | Bishop of Pamiers, France |
| 6 Jun | 57.4 | Johann Nopel (Jr.) † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 15 Jun | | Fabrizio Campani (Capanus) † | Bishop of Ferentino, Italy |
| 30 Jun | 87.4 | Henri Le Meignen † | Bishop Emeritus of Digne, France |
| 16 Jul | 60.2 | Gian Francesco Biandrate di San Giorgio Aldobrandini † | Cardinal, Bishop of Faenza, Italy |
| 18 Jul | | Francesco Maria Sforza † | Bishop of Conversano, Italy |
| 25 Jul | | Matteo Zane † | Patriarch of Venezia {Venice}, Italy |
| 26 Jul | | Miguel de Benavides, O.P. † | Archbishop of Manila, Philippines |
| Aug | 44.5 | Antonio Surredu † | Bishop of Ales e Terralba, Italy |
| 2 Sep | 51.6 | Manuel Quero Turillo † | Bishop of Cefalù, Italy |
| 7 Sep | | Juan de La Roca † | Bishop of Popayán, Colombia |
| 14 Sep | 53.6 | Jan Tarnowski † | Archbishop of Gniezno, Poland |
| 23 Sep | 84.7 | Pons de Thiard de Bissy † | Bishop Emeritus of Chalons-sur-Saône, France |
| 24 Sep | | Giovanni de Gantes † | Bishop of Mazara del Vallo, Italy |
| Oct | | Antonio Guerreschi, O.F.M. Conv. † | Bishop of Segni, Italy |
| 3 Oct | 50.7 | Márton Pethe de Hetes † | Archbishop of Kalocsa, Hungary |
| 5 Oct | 67.7 | Pierre Simons † | Bishop of Ypres (Ieper), Belgium |
| 19 Nov | | Placido Fava, O.S.B. † | Bishop of Telese o Cerreto Sannita, Italy |
| 10 Dec | 71.9 | Adam Weisskopf † | Auxiliary Bishop Emeritus of Wrocław (Breslau), Poland |
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