| Date | Age | Bishop | Title |
|---|
| unknown | | Anian † | Bishop of Bangor, Wales, Great Britain |
| unknown | | Geoffroi Boucher † | Bishop of Avranches, France |
| unknown | | William Clifford † | Bishop of Emly, Ireland |
| unknown | | Álvaro Gómez † | Bishop of Palencia, Spain |
| unknown | | István † | Archbishop of Kalocsa, Hungary |
| unknown | | Jacques † | Bishop of Mylopotamos, Greece |
| unknown | | Guillaume de Léon † | Bishop of Saint-Pol-de-Léon, France |
| unknown | | Rodrigo Martínez † | Bishop of Lugo, Spain |
| unknown | | Thomas O’Nathain † | Bishop of Raphoe, Ireland |
| unknown | | Stefano Tasca, O.P. † | Bishop of Bagnoregio (Bagnorea), Italy |
| unknown | | Marin Petrov Žaretić † | Archbishop of Bar (Antivari), Montenegro |
| 23 Jan | | Pierre de Beneis † | Bishop of Bayeux, France |
| Mar | | Donat O’Flaherty † | Bishop of Killala, Ireland |
| 18 Mar | | Bonifacio del Carretto † | Bishop of Alba (Pompea), Italy |
| 1 Apr | | Jens Assersøn † | Bishop of Aarhus (Århus), Denmark |
| 6 Apr | | Guillaume de Flavacourt † | Archbishop of Rouen, France |
| 26 Apr | | Johann Sax † | Bishop of Brixen {Bressanone}, Italy |
| May | | Gui de Colle Medio † | Archbishop of Salerno, Italy |
| 29 May | | Pierre de Mornay † | Bishop of Auxerre, France |
| 5 Jun | | Pierre de Négrel † | Bishop of Riez, France |
| 5 Jul | | Adalbert de Peyre † | Bishop of Viviers (Aps), France |
| 5 Jul | | Ponç de Vilaró † | Bishop of Vic, Spain |
| 20 Jul | | Arnau de Jardí † | Bishop of Tortosa, Spain |
| 22 Jul | | Christian † | Bishop of Pomesania (Pomezania), Poland |
| 4 Sep | | Pierre Arnaud de Puyanne, O.S.B. † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
| 12 Sep | 66.6 | Henrich von Klingenberg † | Bishop of Konstanz {Constance}, Germany |
| 17 Nov | | Giselbert von Brunkhorst † | Archbishop of Bremen (and Hamburg), Germany |
| 7 Dec | | Teodorico Ranieri † | Cardinal, Cardinal-Bishop of Palestrina |
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