| Date | Age | Bishop | Title |
| unknown | | Luchino da Borsano † | Bishop of Como, Italy |
| unknown | | Robert de Bosco (Bose), O.S.B. † | Bishop of Mende, France |
| unknown | 78.0 | Dietrich Damerow † | Bishop Emeritus of Dorpat (Tartu), Estonia |
| unknown | | Juan de Ezcaray, O.F.M. † | Bishop of Cádiz, Spain |
| unknown | | Francesco Galli † | Bishop of Asti, Italy |
| unknown | | Ladislas Laczko de Krawaz † | Bishop of Olomouc (Olmütz), Czechia |
| unknown | | Ivan Lisco † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| unknown | | Fernando Manuel † | Bishop of Calahorra y La Calzada, Spain |
| unknown | | Benedetto Pasquarelli, O.E.S.A. † | Bishop of Castellaneta, Italy |
| unknown | | Pedro † | Bishop of Orense, Spain |
| unknown | | Giacomo da Perugia, O.P. † | Bishop of Narni, Italy |
| unknown | | Jacques Puche, O.F.M. † | Auxiliary Bishop of Thérouanne, France |
| unknown | | Oddone Ranieri † | Bishop of Fossombrone, Italy |
| unknown | | Simone Saltarelli, O.P. † | Bishop of Trieste, Italy |
| unknown | | Francesco Titignano, O. Cist. † | Bishop of Lesina, Italy |
| unknown | | Giovanni Zambotti † | Patriarch of Grado, Italy |
| 13 Jan | | Niccolò Sacchi, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 20 Feb | | Jan Kietlicz † | Bishop Emeritus of Meißen (Meissen), Germany |
| 20 Mar | | Henrik Karlsson † | Archbishop of Uppsala, Sweden |
| 10 Apr | | Guillaume de Crèvecœur † | Bishop of Coutances, France |
| May | | Thibaud de Malestroit † | Bishop of Quimper, France |
| 10 May | | Mattew Glendoning † | Bishop of Glasgow, Scotland, Great Britain |
| 16 May | | Pierre Beaublé † | Bishop of Sées {Séez}, France |
| 31 May | 68.1 | Angelo Acciaioli † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 5 Jun | | Jacopo Altoviti, O.P. † | Bishop of Fiesole, Italy |
| 18 Jun | | Bertrando d’Alagno † | Archbishop of Amalfi, Italy |
| 1 Jul | | Jean Gilles † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| 23 Aug | | Berenguer de Anglesola † | Cardinal, Bishop of Gerona, Spain |
| 3 Sep | | Peter Jonsson † | Bishop of Strängnäs (Strengnäs), Sweden |
| 19 Sep | | Nicolas de Bosco † | Bishop of Bayeux, France |
| 8 Oct | 58.7 | Jean d’Armagnac † | Cardinal, Archbishop of Rouen, France |
| 10 Oct | | Hugues Lestoquer, O.P. † | Bishop of Vannes, France |
| 31 Oct | | Guillaume di Lornay † | Bishop of Genève {Geneva}, Switzerland |
| 10 Nov | | Vincent de Ribas, O.S.B. † | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 19 Nov | 78.8 | Bálint Alsáni † | Cardinal, Administrator of Pécs, Hungary |
| 17 Dec | | Joan Ermengol † | Bishop of Barcelona, Spain |