| Date | Age | Bishop | Title |
| unknown | | Alberto Buoncristiani, O.S.M. † | Bishop of Comacchio, Italy |
| unknown | | Antonio da Cascia, O.F.M. † | Bishop of Nebbio, France |
| unknown | | Matteo di Catania, O.P. † | Bishop of Patti, Italy |
| unknown | | Antonio de Caturcio, O.P. † | Bishop of Caorle, Italy |
| unknown | | Giovanni Corona (Carepa), O.E.S.A. † | Bishop of Scardona (Skradin), Croatia |
| unknown | | Pierre de Cotigny † | Bishop of Castres, France |
| unknown | | Guillaume Eder † | Bishop of Saint-Brieuc, France |
| unknown | | Paolo Ferrante † | Bishop of Cesena, Italy |
| unknown | | Giovanni † | Bishop of Camerino, Italy |
| unknown | | John Madock † | Bishop of Kildare, Ireland |
| unknown | | Nicola Giorgio de Maglinto † | Bishop of Melfi, Italy |
| unknown | | Francesco Mellini, O.E.S.A. † | Bishop of Senigallia, Italy |
| unknown | | Domenico da Monteleone, O.P. † | Bishop of Venosa, Italy |
| unknown | | Domenico Moriconi, O.P. † | Bishop of Alessano, Italy |
| unknown | | John Mulgan † | Bishop of Leighlin, Ireland |
| unknown | | Donald O’Meirach † | Bishop of Connor, Ireland |
| unknown | | Paolo † | Bishop Emeritus of Cervia, Italy |
| unknown | | Paolo † | Bishop of Nicastro, Italy |
| unknown | | Peder Laurenssen Friis † | Bishop of Börglum (Aalborg), Denmark |
| unknown | | Giovanni (Jean) de Podionucis (Puinoix), O.P. † | Bishop of Catania, Italy |
| unknown | | Wilhelm von Rarognia † | Bishop Emeritus of Sion {Sitten}, Switzerland |
| unknown | | Léger Saporis d’Eyragues † | Bishop of Maguelonne, France |
| unknown | | Bartolomeo di Stefano † | Bishop of Castellaneta, Italy |
| unknown | | Mendo de Viedma, O.F.M. † | Bishop of Rubicón, Spain |
| 6 Jan | | Jacopo Donadei † | Bishop of L’Aquila, Italy |
| 25 Jan | | Richard Fleming † | Bishop of Lincoln, England, Great Britain |
| 9 Feb | 71.1 | Giacomo Isolani † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 20 Feb | 63.1 | Oddone Colonna † | Pope (Roma {Rome}, Italy) |
| 26 Mar | | Guillaume de Goyon † | Bishop of Luçon, France |
| 3 Apr | | Nikolaus Lubich † | Bishop of Merseburg, Germany |
| 20 May | | Guillaume de Challant † | Bishop of Lausanne, Switzerland |
| 3 Jul | 81.5 | Antonio Panciera † | Cardinal, Cardinal-Bishop of Frascati |
| 15 Jul | | Jens Andersen Lodehat † | Bishop of Roskilde (Roeskilde), Denmark |
| Aug | | Simone da Brindisi, O.F.M. † | Bishop of Alessano, Italy |
| 29 Sep | | Nicholas Habart † | Bishop of Bayeux, France |
| 18 Oct | | Johann von Trempe † | Bishop of Ratzeburg, Germany |
| 12 Dec | | Ulrich von Albeck † | Bishop of Seckau, Austria |
| 24 Dec | 61.9 | Konrad von Vechta † | Archbishop Emeritus of Praha {Prague}, Czechia |