| Date | Age | Bishop | Title |
| unknown | | Antonio de Alcala † | Bishop of Ottana, Italy |
| unknown | | Nicola Barrault (Barbuti), O.P. † | Bishop of Durrës (Durazzo), Albania |
| unknown | | Cristoforo de Blanderata, O.S.M. † | Bishop of Senigallia, Italy |
| unknown | | Giacomo Bragadeno † | Bishop of Nona (Nin), Croatia |
| unknown | | Thierry de Cuba, O.T. † | Bishop of Samland (Sambia), Poland |
| unknown | | Andrea Egidi, O.F.M. † | Bishop of Assisi, Italy |
| unknown | | Mogens Krafse † | Bishop of Odense, Denmark |
| unknown | | Matěj Kučka, O. Praem. † | Bishop of Litomyšl, Czechia |
| unknown | | Martino † | Bishop Emeritus of Capri, Italy |
| unknown | | Richard Martin, O.F.M. † | Bishop of Waterford and Lismore, Ireland |
| unknown | | Nicola Moccia † | Bishop of Minori, Italy |
| unknown | | Anton Nicolai, O.F.M. † | Auxiliary Bishop of Gniezno, Poland |
| unknown | | Giovanni Opizzoni † | Bishop of Belcastro, Italy |
| unknown | | Arnaud Raymond de Palata † | Bishop of Tarbes, France |
| unknown | | Fortunato Pellicani † | Bishop of Sarsina, Italy |
| unknown | | Francesco Portio † | Bishop of Cervia, Italy |
| unknown | | Giovanni de Rossi † | Bishop of Mylopotamos, Greece |
| unknown | | Lorenzo Roverella † | Bishop of Ferrara, Italy |
| unknown | | Vince Szilassi † | Bishop of Vác, Hungary |
| 3 Jan | 28.7 | Pietro Riario, O.F.M. Conv. † | Cardinal, Archbishop of Firenze {Florence}, Italy |
| 16 Feb | | Pierre de Longueil † | Bishop of Auxerre, France |
| 18 Mar | 74.2 | Bernard (Yvest) du Rosier † | Archbishop of Toulouse, France |
| 8 Apr | | Johannes Frey, O.F.M. † | Auxiliary Bishop of Freising, Germany |
| 12 Apr | | Giovanni Campesi † | Bishop of Piacenza, Italy |
| 3 May | 66.7 | Alain de Coëtivy † | Cardinal, Bishop of Avignon, France |
| 9 May | | Alfonso Vázquez de Acuña † | Bishop of Jaén, Spain |
| 11 May | | John Stanberry (Stanbury), O. Carm. † | Bishop of Hereford, England, Great Britain |
| 15 May | | Finnboge Niklasson † | Bishop of Bjørgvin (Bergen), Norway |
| Jun | | Jean Parasini de Papia † | Bishop-Elect of Sagone (Sagona), France |
| 20 Sep | 62.7 | Hermann von Breitenladenburg † | Bishop of Konstanz {Constance}, Germany |
| Oct | | Filippo de’ Medici † | Archbishop of Pisa, Italy |
| 23 Nov | | John Foxalls, O.F.M. † | Archbishop of Armagh, Ireland |
| 23 Nov | | Gasparo Zacchia † | Bishop of Osimo, Italy |
| 25 Nov | | Olav Trondsson † | Archbishop of Nidaros (Trondheim), Norway |
| Dec | | Donato de’ Medici † | Bishop of Pistoia, Italy |
| 21 Dec | 69.9 | Mikołaj z Błażejowa † | Bishop of Przemyśl, Poland |