| Date | Age | Bishop | Title |
|---|
| unknown | | Ińigo de Avalos, O.S.B. † | Bishop of Aquino, Italy |
| unknown | | Antonio Beccari (Becariis), O.P. † | Bishop of Shkodrë (Scutari), Albania |
| unknown | | Benoit Berzati, O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| unknown | | Godefroid d’Estissac † | Bishop of Maillezais, France |
| unknown | | Franz Frangipane, O.F.M. Obs. † | Archbishop of Kalocsa, Hungary |
| unknown | | Giovanni Antonio Gallo † | Bishop of Calvi Risorta, Italy |
| unknown | | Johann Gellingshausen † | Bishop of Dorpat (Tartu), Estonia |
| unknown | | Luis Gómez † | Bishop of Sarno, Italy |
| unknown | | Marco Antonio Marzolini † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | | Francisco Mendoza † | Bishop of Jaén, Spain |
| unknown | | Albin de Rochechouart † | Bishop of Sisteron, France |
| unknown | | Gianfrancesco Ugoni † | Bishop of Famagusta, Cyprus |
| unknown | 53.0 | Vicente de Valverde, O.P. † | Bishop of Panamá |
| 2 Jan | 67.0 | Bonifacio Ferrero † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 21 Jan | | Rowland Lee † | Bishop of Coventry and Lichfield, England, Great Britain |
| 21 Jan | | Francesco Minerbetti † | Bishop Emeritus of Arezzo, Italy |
| 6 Feb | | Diego Ribera de Toledo † | Bishop of Segovia, Spain |
| 26 Feb | | Edmund O’Gallagher † | Bishop of Raphoe, Ireland |
| 11 Mar | | Antonio Lupicino † | Bishop Emeritus of Bisceglie, Italy |
| 31 Mar | | Franz Katzianer † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 15 Apr | 65.1 | Christoph von Stadion † | Bishop of Augsburg, Germany |
| 2 May | | Angelo Archilegi di Amelia † | Bishop of Assisi, Italy |
| 11 May | | Francesco Guastaferro † | Bishop of Sessa Aurunca, Italy |
| Jun | | Martín Valero Cuesta † | Bishop-Elect of Lérida, Spain |
| 2 Jun | | Šimun Erdődy † | Bishop of Zagreb (Agram), Croatia |
| 21 Jun | | Johannes Bischopinck † | Auxiliary Bishop of Münster, Germany |
| 27 Jun | | Filippo Trivulzio † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 19 Jul | 78.5 | Berthold Pürstinger † | Bishop Emeritus of Chiemsee, Germany |
| 25 Jul | 85.5 | Jorge de Almeida † | Bishop of Coimbra, Portugal |
| 7 Aug | | Jean Le Veneur † | Cardinal, Bishop Emeritus of Lisieux, France |
| 17 Aug | 66.6 | Antonio Sanseverino, O.S.Io.Hieros. † | Cardinal, Archbishop of Taranto, Italy |
| 26 Sep | 65.7 | Francesco Cornaro (Sr.) † | Cardinal, Cardinal-Bishop of Palestrina |
| 20 Oct | | Thomas Chard, O.S.B. † | Auxiliary Bishop of Exeter, England, Great Britain |
| 11 Nov | 21.8 | Eduardo de Portugal † | Archbishop-Elect of Braga, Portugal |
| 25 Nov | 58.8 | Augustin Mair, C.R.S.A. † | Auxiliary Bishop of Würzburg, Germany |
| 27 Nov | | Girolamo Grimaldi † | Cardinal, Administrator of Albenga, Italy |
| Dec | | Alberto Pascaleo de Utino, O.P. † | Bishop of Chioggia, Italy |
| 30 Dec | 48.9 | Giovanni Matteo Giberti † | Bishop of Verona, Italy |
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