| Date | Age | Bishop | Title |
|---|
| unknown | | Gaspar Gajosa † | Bishop of L’Aquila, Italy |
| unknown | | Giovanni Mascardi † | Bishop of Nebbio, France |
| unknown | 67.0 | Johann Heinrich von Ostein † | Bishop of Basel, Switzerland |
| unknown | | Brunoro Sciamanna † | Bishop of Caserta, Italy |
| unknown | 64.0 | Francesco Vitelli † | Archbishop of Urbino, Italy |
| unknown | | Nicolas de Zaldivar y Zapata, O.S.A. † | Bishop-Elect of Nueva Caceres, Philippines |
| 12 Jan | 77.2 | Juan (de la Serna) Sánchez Alonso de Guevara † | Bishop of Lugo, Spain |
| 18 Jan | | Bernard Pinelli † | Archbishop of Avignon, France |
| 1 Mar | | Félix Guzmán, O.P. † | Bishop of Orihuela, Spain |
| 24 Apr | | Juan Ortiz de Zárate † | Bishop of Salamanca, Spain |
| 25 Jun | 76.4 | Heinrich von Knöringen † | Bishop of Augsburg, Germany |
| 27 Jun | 53.0 | Achille d'Estampes de Valançay † | Cardinal, Cardinal-Deacon of S. Adriano al Foro |
| 1 Jul | | Joăo Mendes de Távora † | Bishop of Coimbra, Portugal |
| 21 Jul | 63.6 | François de Péricard † | Bishop of Evreux, France |
| 26 Jul | 58.6 | Octave de Bellegarde † | Archbishop of Sens, France |
| 11 Aug | 66.6 | Giandomenico Spinola † | Cardinal, Archbishop of Mazara del Vallo, Italy |
| 11 Sep | 77.7 | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 1 Nov | | Josse Bouckaert † | Bishop of Ypres (Ieper), Belgium |
| 1 Nov | 81.8 | Lorenzo Garro † | Bishop of Santiago de Cabo Verde |
| 5 Nov | | Federico Sandri-Trotti † | Bishop of Fossano, Italy |
| 23 Nov | 66.9 | Mauro de Villarroel, O.S.B. † | Bishop of Jaca, Spain |
| 26 Nov | 65.9 | Achille de Harlay de Sancy † | Bishop Emeritus of Saint-Malo, France |
| 12 Dec | 37.9 | Domenico Carnevale † | Bishop of Isola, Italy |
| 24 Dec | | Cesare Raccagna † | Bishop of Cittŕ di Castello, Italy |
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