| Date | Age | Bishop | Title |
|---|
| unknown | | Nicolò Abrien † | Bishop of Trento, Italy |
| unknown | | Martinho Afonso † | Bishop of Évora, Portugal |
| unknown | | Raymond d’Andoins † | Bishop of Lescar, France |
| unknown | | Hugues d’Angoulême † | Bishop of Carpentras, France |
| unknown | | Guillaume Audibert † | Bishop of Périgueux (Vesuna), France |
| unknown | | Alberto Boson, O.P. † | Bishop of Osimo, Italy |
| unknown | | Emanuele Fieschi † | Bishop of Vercelli, Italy |
| unknown | | Giacomo † | Bishop of Melfi, Italy |
| unknown | | Giovanni † | Bishop of Conversano, Italy |
| unknown | | Henry Gower † | Bishop of Saint David’s, Wales, Great Britain |
| unknown | | Lorenzo Lorandi † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| unknown | | Martino † | Bishop of Ossero (Osor), Croatia |
| unknown | | Maurice † | Bishop of Dunblane, Scotland, Great Britain |
| unknown | | Raymond d’Olargues † | Bishop of Vabres, France |
| unknown | | Omodeo † | Bishop of Teano, Italy |
| unknown | | Benedetto de Palmiero † | Archbishop of Salerno, Italy |
| unknown | | Richard of Pilmor † | Bishop of Dunkeld, Scotland, Great Britain |
| unknown | | Roger † | Archbishop of Patrae Veteres (Patras), Greece |
| unknown | | Marco Rognoni, O.P. † | Bishop of Urbino, Italy |
| unknown | | Barlaha (Barlaam) de Seminaria † | Bishop of Gerace, Italy |
| 1 Jan | | Gaspert de Laval † | Archbishop of Narbonne, France |
| 2 Jan | | John Eglescliffe (Wishart), O.P. † | Bishop of Llandaff, Wales, Great Britain |
| 2 Feb | | Thomas Beck † | Bishop of Lincoln, England, Great Britain |
| 14 Feb | | Jan Doliwa † | Bishop of Poznań, Poland |
| 15 Feb | | Guillaume de Cardaillac, O.S.B. † | Bishop of Saint-Papoul, France |
| 3 Apr | | Nicolas Roger, O.S.B. † | Archbishop of Rouen, France |
| 29 May | | John de Ballyconingham † | Bishop of Cork, Ireland |
| 17 Jun | | Guidone de Guisis † | Bishop of Concordia (Sagittaria), Italy |
| 20 Jul | | Geoffroi de La Chapelle † | Bishop of Le Mans, France |
| 27 Jul | | Bernardo del Lago † | Bishop of Viterbo e Tuscania, Italy |
| 28 Jul | | Ludwig Schenk von Reindorf † | Bishop of Brandenburg, Germany |
| 5 Aug | | Jan Grotowic † | Bishop of Kraków, Poland |
| 3 Sep | | Engelbert von Dolen (Dahlen) † | Archbishop of Riga, Latvia |
| 13 Sep | | Guido de Callio † | Bishop of Cagli, Italy |
| 29 Oct | | Bl. Pietro Mulucci, O.F.M. † | Bishop of Recanati, Italy |
| 28 Nov | 57.9 | Heinrich von Bülow † | Bishop of Schwerin, Germany |
| 2 Dec | | Alan O’Hathern † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
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