| Date | Age | Bishop | Title |
| unknown | | Garsias Arnaud † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| unknown | | Pietro da Auletta, O.P. † | Bishop of Bovino, Italy |
| unknown | 52.0 | Johannes von Bayern-Hennegau † | Former Bishop-Elect of Liège, Belgium |
| unknown | | Giovanni da Campolongo, O. Carm. † | Bishop of Ales (Uselli), Italy |
| unknown | | Géraud du Breuil † | Bishop of Uzés, France |
| unknown | | Andrea Gacci † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Bartolomeo Ghini † | Bishop of Massa Marittima, Italy |
| unknown | | Fernando González Deza † | Bishop of Córdoba, Spain |
| unknown | | João Homem † | Bishop of Viseu, Portugal |
| unknown | | Lazzaro † | Bishop of Jesi, Italy |
| unknown | | Nicolò Menzi, O.E.S.A. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| unknown | | Michele † | Bishop of Sapë, Albania |
| unknown | | Guillaume de Nalajo † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| unknown | | Giacomo Ordini † | Bishop of Sagone (Sagona), France |
| unknown | | Álvaro Pérez Barreguín † | Bishop of Orense, Spain |
| unknown | | Vittore di Rimini, O.E.S.A. † | Bishop of Cesena, Italy |
| unknown | | Matteo Serra, O.P. † | Bishop of Terralba, Italy |
| unknown | | Bartolomeo Vanni, O.E.S.A. † | Bishop Emeritus of Bovino, Italy |
| unknown | | Degenhard von Weichs † | Former Bishop-Elect of Freising, Germany |
| 17 Mar | | Raoul de Coucy † | Bishop of Noyon, France |
| 9 Apr | | John Wakering † | Bishop of Norwich, England, Great Britain |
| 27 May | 75.4 | Jakub z Korzkwi † | Bishop of Płock, Poland |
| 14 Jun | | William de Lauder † | Bishop of Glasgow, Scotland, Great Britain |
| Jul | | Jean de Fabri † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| 11 Jul | | Bernardo Pace (de Carpi), O.F.M. † | Bishop of Parma, Italy |
| 30 Jul | | Géraud du Puy, O.F.M. † | Bishop of Lectoure, France |
| 15 Aug | | Sancho Sánchiz de Oteiza † | Bishop of Pamplona, Spain |
| 26 Aug | | Johann von Saalfeld † | Bishop of Samland (Sambia), Poland |
| 22 Sep | | Jacopo Minutolo † | Administrator of Civitate (Città or Civita), Italy |
| 16 Nov | | Jeronimo de Ocón † | Bishop of Elne, France |
| 19 Nov | | John Fordham † | Bishop of Ely, England, Great Britain |
| 1 Dec | | Giacomo de Camplo (Turco) † | Bishop of Carpentras, France |
| 12 Dec | | Matteo Diamanti † | Bishop of Pistoia, Italy |
| 22 Dec | | John Geese, O. Carm. † | Bishop of Waterford and Lismore, Ireland |