| Date | Age | Bishop | Title |
| unknown | | Henrik Albeni † | Bishop of Pécs, Hungary |
| unknown | | Percivallo de Balma † | Bishop of Belley, France |
| unknown | | Francesco Billi † | Bishop of Gubbio, Italy |
| unknown | | Guillaume de Champeaux † | Bishop of Laon, France |
| unknown | | Jean de Cluys (Closis) † | Bishop of Tulle, France |
| unknown | | Alvaro Ferreira † | Bishop of Coimbra, Portugal |
| unknown | | Pierre de Gachefret (Saxoferto) † | Bishop of Aire, France |
| unknown | | Scipione Manenti † | Bishop of Modena, Italy |
| unknown | | Benedek Mihályfia † | Bishop of Győr (Raab), Hungary |
| unknown | | Ugolino Nacci, O.S.A. † | Bishop of Amelia, Italy |
| unknown | | Galeazzo Quattromani † | Bishop of Crotone (Cotrone), Italy |
| unknown | | Diego Rapado † | Bishop of Oviedo, Spain |
| unknown | | Giovanni Roberto Santoro † | Bishop of Gravina (di Puglia), Italy |
| 2 Jan | | Hermann Köppen † | Bishop of Schwerin, Germany |
| 11 Feb | 67.1 | Amédée de Talaru † | Archbishop of Lyon, France |
| 26 Feb | | William Wells † | Bishop of Rochester, England, Great Britain |
| 7 Mar | | François de Meez, O.S.B. † | Bishop of Genève {Geneva}, Switzerland |
| 4 Apr | 64.2 | Regnault de Chartres † | Archbishop Emeritus of Reims, France |
| 7 May | | Aimerico † | Bishop of Gerace, Italy |
| 2 Jun | | Alessandro de Masovia † | Bishop Emeritus of Trento, Italy |
| 29 Jul | | Gilles de Duremont, O. Cist. † | Bishop of Coutances, France |
| 4 Aug | | Manfredi Aversano † | Archbishop of Acerenza e Matera, Italy |
| 21 Aug | | Cristoforo Berti † | Bishop of Foligno, Italy |
| 24 Aug | | Matteo Boniperti, O.P. † | Bishop of Mantova, Italy |
| Sep | | Carlo Bartoli † | Bishop of Siena, Italy |
| 12 Sep | 66.6 | Angelotto Fosco † | Cardinal, Bishop of Cava (de’ Tirreni), Italy |
| 28 Sep | | Giovanni Sechario, O.F.M. † | Bishop of Montefeltro, Italy |
| Nov | | Cristoforo di San Marcello † | Bishop of Siena, Italy |
| 10 Nov | 46.8 | Giuliano Cesarini (Sr.) † | Cardinal, Cardinal-Bishop of Frascati |
| 10 Nov | | Giovanni de Dominis † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 10 Nov | | Simon Rozgonyi † | Bishop of Eger, Hungary |
| 25 Nov | | Martin Gouge (Goyon) † | Bishop of Clermont, France |