| Date | Age | Bishop | Title |
|---|
| unknown | | Gregorio di Armenia, O.P. † | Bishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| unknown | | Diego de Avellaneda † | Bishop of Tuy, Spain |
| unknown | | Jean Evangeliste de Brachis † | Bishop-Elect of Modruš, Croatia |
| unknown | | Giacomo Coppi † | Archbishop of Naxos, Greece |
| unknown | | Baldovinetto de’ Baldovinetti † | Bishop of Ancona e Numana, Italy |
| unknown | | Charles de Bar † | Bishop of Saint-Papoul, France |
| unknown | 47.0 | Marcantonio della Rovere † | Bishop of Agen, France |
| unknown | | Giangiacomo di Gambarana † | Bishop of Albenga, Italy |
| unknown | | Luis González, O.F.M. Obs. † | Bishop of Ampurias e Civita, Italy |
| unknown | | Giampietro Grassi † | Bishop of Viterbo e Tuscania, Italy |
| unknown | | James Hay † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| unknown | | Laurent Hertoghe, O. Carm. † | Auxiliary Bishop of Utrecht, Netherlands |
| unknown | | Vincenzo de Massari † | Bishop of Mylopotamos, Greece |
| unknown | | Quintin O’Higgins, O.F.M. † | Bishop of Clonmacnoise, Ireland |
| unknown | 50.0 | Giovanni Giacomo de Monteferrato † | Bishop Emeritus of Casale Monferrato, Italy |
| unknown | | Jacques Pallavicini † | Bishop of Ajaccio, France |
| unknown | | Antonio Pandella † | Bishop of Lesina, Italy |
| unknown | | Giovanni Antonio Pappacoda † | Bishop of Tropea, Italy |
| unknown | | Juan de Salamanca, O.P. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| unknown | | Michele Visconti † | Bishop of Lucera, Italy |
| 28 Jan | 70.0 | Marino Ascanio Caracciolo † | Cardinal, Bishop Emeritus of Catania, Italy |
| 3 Feb | 49.7 | Johann bei Rhein † | Bishop of Regensburg, Germany |
| 7 Feb | 58.0 | Olav Engelbrektsson † | Archbishop of Nidaros (Trondheim), Norway |
| 9 Feb | | Braz Neto, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 18 Feb | 39.1 | Jan (Janusz) z Książąt Litewskich † | Bishop of Poznań, Poland |
| 27 Feb | 65.7 | Erhard (Erardo, Everard) von der Mark (de la Marca, Marck) † | Cardinal, Bishop of Ličge, Belgium |
| 11 Mar | 51.9 | Bl. Jan Chojeński † | Bishop of Kraków, Poland |
| 7 Jun | 100.4 | Heinrich von Fulstein (Füllstein) † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 18 Jun | | François de Halluin (Halvyn) † | Bishop of Amiens, France |
| 24 Jul | | Hugo de La Chapelle † | Auxiliary Bishop of Cambrai, France |
| 1 Aug | 74.5 | Johannes Petrus Brask † | Bishop of Linköping, Sweden |
| 22 Aug | | Heinrich Leucker (Lenchker), O.P. † | Auxiliary Bishop of Halberstadt, Germany |
| 29 Aug | 36.6 | Robert Montgomery † | Bishop of Argyll (Lismore), Scotland, Great Britain |
| 24 Sep | | Jean de La Rochefoucauld, O.S.B. † | Bishop of Mende, France |
| 28 Sep | 67.7 | Alfonso Manrique de Lara y Solís † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 3 Oct | 37.7 | Eustache de Croy † | Bishop of Arras, France |
| 3 Oct | | Albert Kraus † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
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