| Date | Age | Bishop | Title |
| unknown | | Eberhard Alben † | Bishop of Zagreb (Agram), Croatia |
| unknown | | Giovannino Albertini † | Bishop of Sagone (Sagona), France |
| unknown | | Francisco Alfonso † | Bishop of Orense, Spain |
| unknown | | Antonio † | Bishop of Mottola (Motula), Italy |
| unknown | | Bartolomeo Casini, O.S.B. † | Bishop of Pesaro, Italy |
| unknown | | Lancellotto Fontana, O.F.M. † | Bishop of Bobbio, Italy |
| unknown | | Fülöp † | Bishop of Vác, Hungary |
| unknown | | Andreas Fusco † | Bishop of Venosa, Italy |
| unknown | | Georges de Grano † | Bishop of Orange, France |
| unknown | | Juraj † | Bishop of Duvno, Bosnia and Herzegovina |
| unknown | | Jean Le Masle † | Bishop of Maillezais, France |
| unknown | | Fionnlagh MacCailein † | Bishop of Dunblane, Scotland, Great Britain |
| unknown | | John MacCormaic † | Bishop of Raphoe, Ireland |
| unknown | | Donald Machuil † | Bishop of Derry, Ireland |
| unknown | | Francesco Mormile † | Bishop of Cava (de’ Tirreni), Italy |
| unknown | | Dermot O’Donagh † | Bishop of Kilmacduagh, Ireland |
| unknown | | Bartolomeo Petrini † | Bishop of Valva e Sulmona, Italy |
| unknown | | Sigurd † | Bishop of Hamar, Norway |
| unknown | | István de Upor † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| unknown | | Luca Vagnozzi, O.E.S.A. † | Archbishop of Zadar (Zara), Croatia |
| unknown | | Nardino Vanni † | Bishop of Ascoli Piceno, Italy |
| unknown | | Juan Ximenes, O.F.M. † | Bishop of Malta |
| 11 Jan | | Detlef von Berkentin † | Bishop Emeritus of Ratzeburg, Germany |
| 9 Feb | | Gonçalo Gonçalves † | Bishop of Lamego, Portugal |
| 2 Mar | | Thomas Peverel, O. Carm. † | Bishop of Worcester, England, Great Britain |
| 6 Mar | | Gregorio Malesardi, O.P. † | Bishop of Cesena, Italy |
| 14 Mar | | Tommaso de Erbes, O.S.B. † | Bishop of Siracusa, Italy |
| 27 Apr | | Henri Barbuti (Le Barbu), O. Cist. † | Bishop of Nantes, France |
| 7 May | | Angelo de Tufo † | Bishop of Gerace, Italy |
| 28 May | | Johann Walenrode † | Bishop of Liège, Belgium |
| 10 Jun | 63.4 | Bl. Giovanni Dominici, O.P. † | Cardinal, Administrator of Bova, Italy |
| 12 Jun | | Jean d’Archery † | Bishop of Senlis, France |
| 17 Jun | | Maciej Janina, O.F.M. † | Bishop of Przemyśl, Poland |
| 28 Jun | 58.4 | Amedeo di Saluzzo † | Cardinal, Cardinal-Deacon of Santa Maria Nuova |
| 14 Jul | | Jean Langret † | Bishop of Bayeux, France |
| Aug | | Arnold Stoltevoth, O.T. † | Bishop of Reval (Rewel), Estonia |
| 20 Aug | | Giorgio di Liechtenstein † | Bishop of Trento, Italy |
| 30 Aug | | William Strikland † | Bishop of Carlisle, England, Great Britain |
| 3 Sep | | Edmund Stafford † | Bishop of Exeter, England, Great Britain |
| 11 Sep | 73.6 | Albrecht von Wernigerode † | Bishop of Halberstadt, Germany |
| 23 Sep | 59.7 | Johann von Nassau † | Archbishop of Mainz, Germany |
| 27 Oct | | Anders Jönsson † | Bishop of Strängnäs (Strengnäs), Sweden |
| 5 Nov | | Winrich von Kniprode † | Bishop of Ösell (Oesell) [Saare-Lääne], Estonia |
| 22 Dec | 54.9 | Baldassare Cossa † | Cardinal, Cardinal-Bishop of Frascati |
| 28 Dec | | John Catterick (Catrik) † | Bishop of Exeter, England, Great Britain |
| 30 Dec | 71.9 | Wacław Legnicki † | Bishop Emeritus of Wrocław (Breslau), Poland |