| Date | Age | Bishop | Title |
| unknown | | John Brenan † | Archbishop of Cashel, Ireland |
| unknown | | Paolo Ximenes † | Archbishop of Trani, Italy |
| 7 Jan | 76.0 | Federico Visconti † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 5 Feb | 66.5 | Karl Franz Neander von Petersheide † | Auxiliary Bishop of Wrocław, Poland |
| 22 Apr | | Henri-Guillaume Le Jay † | Bishop of Cahors, France |
| 18 May | | Giacomo Altoviti † | Titular Patriarch of the unknown of Titular See |
| 20 May | | Louis de Rechignevoisin de Guron † | Bishop of (Saint-Bernard de) Comminges, France |
| 25 May | | Giuseppe Armenj (Armenius; Armenio) † | Bishop of Teramo, Italy |
| 29 May | 76.4 | Jérôme de La Mothe-Houdancourt † | Bishop of Saint-Flour, France |
| 3 Jun | 86.8 | Camille de Neufville de Villeroy † | Archbishop of Lyon, France |
| 18 Jun | 65.5 | Johann Heinrich von Anethan † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 1 Jul | 56.2 | François Deydier, M.E.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 13 Jul | 74.6 | Johann Konrad von Roggenbach † | Bishop of Basel, Switzerland |
| 22 Jul | 54.6 | Jan Kazimierz Opaliński, O. Cist. † | Bishop of Chelmno (Culma), Poland |
| 4 Aug | 72.1 | Guillaume Le Boux † | Bishop of Périgueux (Vesuna), France |
| 13 Sep | 62.3 | Flavio Chigi (Sr.) † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 9 Oct | 49.4 | Marquard Sebastian Reichsgraf von Schenk von Stauffenberg † | Bishop of Bamberg, Germany |
| 15 Nov | 63.9 | Richard Russell † | Bishop of Viseu, Portugal |
| 22 Nov | 73.7 | Henri-Marie de Laval de Bois-Dauphin † | Bishop of La Rochelle, France |
| 30 Nov | 81.6 | Lorenzo Brancati di Lauria, O.F.M. Conv. † | Cardinal, Cardinal-Priest of Ss. XII Apostoli |
| 27 Dec | 73.0 | Henri de Villars † | Archbishop of Vienne, France |