| Date | Age | Bishop | Title |
| unknown | | Antoine Buisson, O. Carm. † | Auxiliary Bishop of Autun, France |
| unknown | | Miguel Castault, O.F.M. † | Auxiliary Bishop of Valencia, Spain |
| unknown | | Hugues de Coat-Trédez † | Bishop Emeritus of Tréguier, France |
| unknown | | Martin Fernandi de Bilches † | Bishop of Ávila, Spain |
| unknown | | Daniele de Forlì, O.F.M. † | Bishop of Castro [del Lazio], Italy |
| unknown | | Antoine Gobert † | Bishop of Alet, France |
| unknown | | Jean , O. Cist. † | Titular Bishop of Myra |
| unknown | | Thomas Leger, C.R.S.A. † | Bishop Emeritus of Limerick, Ireland |
| unknown | | Jean de La Porte † | Bishop of Saint-Papoul, France |
| unknown | | Fabrizio Novelli † | Bishop of Veroli, Italy |
| unknown | | Paul † | Bishop of Croja, Albania |
| unknown | | Ludovico da Romagnano † | Bishop of Torino, Italy |
| unknown | 36.0 | Bernardo Rossi † | Bishop of Novara, Italy |
| unknown | | Girolamo Staccoli † | Bishop of Urbino, Italy |
| unknown | | Thomas Knight, O.S.B. † | Bishop of Down and Connor, Ireland |
| unknown | | Urbano Vignato † | Bishop of Šibenik (Knin), Croatia |
| unknown | | Heinrich Vuyst (Wüst), O.F.M. † | Auxiliary Bishop of Paderborn, Germany |
| Mar | | Amorattino de Capua † | Bishop of Sant’Agata de’ Goti, Italy |
| 26 Apr | | Louis de Poitiers † | Bishop of Valence and Die, France |
| 10 May | | Richard Scroope † | Bishop of Carlisle, England, Great Britain |
| 10 Jun | | Jean de Gaucourt † | Bishop of Laon, France |
| 1 Jul | | Ulrich Aumayer (Aumair), O.F.M. † | Auxiliary Bishop of Regensburg, Germany |
| 23 Jul | | Juan Cerdan, O. Cist. † | Bishop of Barcelona, Spain |
| 3 Aug | | Henning Iwen † | Bishop of Kammin (Camin), Germany |
| 26 Sep | 80.7 | Juan de Torquemada, O.P. † | Cardinal, Cardinal-Bishop of Sabina |
| 8 Oct | 79.7 | Johann Christiani von Schleppegrell, O.S.A. † | Auxiliary Bishop of Hildesheim, Germany |
| 28 Dec | | Jean Michel † | Bishop of Lausanne, Switzerland |