| Date | Age | Bishop | Title |
|---|
| unknown | | Giacomo Biagioli † | Bishop of Senj, Croatia |
| unknown | 44.0 | Giovanni Giacomo Castiglione † | Archbishop of Bari (-Canosa), Italy |
| unknown | | Michele Claudio † | Bishop of Monopoli, Italy |
| unknown | | Thomas Cornish, O.S. Jean de Jér † | Auxiliary Bishop of Exeter, England, Great Britain |
| unknown | | Bernardino da Bologna † | Archbishop of Messina, Italy |
| unknown | | Albertino della Rovere † | Bishop of Pesaro, Italy |
| unknown | | Alfonso Galieto, O.S.A. † | Bishop of Castellaneta, Italy |
| unknown | | György , O.S.B. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| unknown | | Jean † | Bishop of Orange, France |
| unknown | | Edward Lane † | Bishop of Kildare, Ireland |
| unknown | | Giorgio Maccafano de’ Pireto † | Bishop of Sarno, Italy |
| unknown | | Tommaso Malumbra † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| unknown | | Giorgio Negri † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| unknown | | Andrea Novelli † | Bishop of Alba (Pompea), Italy |
| unknown | | Roberto Piscicelli † | Archbishop of Brindisi, Italy |
| unknown | | Angelo Ripanti † | Bishop of Jesi, Italy |
| unknown | | Giovanni Maria Sforza Visconti † | Archbishop of Genova, Italy |
| Feb | | Pedro López Ayala † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 3 Feb | 52.0 | Philipp von Rosenberg † | Bishop of Speyer, Germany |
| 9 Feb | | George Hepburn, O.S.B. † | Bishop of The Isles (Sodor), Scotland, Great Britain |
| 11 Feb | | Dafydd (David) ab Owain (Owen), O. Cist. † | Bishop of Saint Asaph, Wales, Great Britain |
| 14 Feb | | Juan de Enguera, O.P. † | Bishop of Tortosa, Spain |
| 21 Feb | 69.2 | Giuliano della Rovere † | Pope (Roma {Rome}, Italy) |
| 23 Mar | | Gottschalk Hagen † | Bishop of Reval (Rewel), Estonia |
| 25 Mar | 53.2 | Maurice O’Fihely, O.F.M. † | Archbishop of Tuam, Ireland |
| 9 Apr | 46.3 | Cosimo de’ Pazzi † | Archbishop of Firenze {Florence}, Italy |
| 12 Apr | | Charles de Seyssel † | Bishop of Genève {Geneva}, Switzerland |
| 9 May | | Menelaus MacCarmacan † | Bishop of Raphoe, Ireland |
| Jun | | Ottaviano Spinelli del Palagio † | Archbishop of Armagh, Ireland |
| 17 Jun | | Battista Del Bufalo † | Bishop of Aquino, Italy |
| 31 Jul | | Leonardo Marchesi † | Bishop of Albenga, Italy |
| 3 Aug | 49.1 | Ernst Herzog von Sachsen † | Archbishop of Magdeburg, Germany |
| 11 Aug | 58.6 | Girolamo de Franciscis (de Franceschi), O.S.M. † | Bishop of Coron (Coronea), Greece |
| Sep | | Giovanni Chericato, O.S.C. † | Bishop of Kotor (Cattaro), Montenegro |
| 9 Sep | 20.6 | Alexander Stewart † | Archbishop-Elect of Saint Andrews, Scotland, Great Britain |
| 20 Sep | 63.7 | Wincenty Przerębski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 9 Nov | 53.8 | Robert Guibé † | Cardinal, Administrator of Vannes, France |
| 10 Nov | | Jean Baillet † | Bishop of Auxerre, France |
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