| Date | Age | Bishop | Title |
| unknown | | Franciscus Cruta † | Bishop of Shkodrë (Scutari), Albania |
| unknown | | Kasper Działyński † | Bishop of Chelmno (Culma, Kulm), Poland |
| unknown | | Gaspar Gajosa † | Bishop of L’Aquila, Italy |
| unknown | | Maurice Hurley † | Bishop of Emly, Ireland |
| unknown | | Francesco Leonardi † | Archbishop of Bar (Antivari), Montenegro |
| unknown | | Giovanni Mascardi † | Bishop of Nebbio, France |
| unknown | | Arnauld de Maytie † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| unknown | | Biago Proto de Rubeis † | Archbishop of Messina, Italy |
| unknown | 57.0 | Francesco Sperelli † | Bishop of San Severino (Marche), Italy |
| unknown | | Juan de Zapata y Figueroa † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 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 |
| 13 Jan | | Fabrice de La Bourdaisière † | Bishop of Cavaillon, France |
| 18 Jan | 52.0 | Bernard Pinelli, C.R. † | Archbishop of Avignon, France |
| 20 Jan | | Nicolas de Netz † | Bishop of Orléans, France |
| Feb | 64.1 | Francesco Vitelli † | Archbishop of Urbino, Italy |
| 1 Mar | | Félix Guzmán, O.P. † | Bishop of Orihuela, Spain |
| 14 Mar | 65.2 | Pompeo Coronini † | Bishop of Trieste, Italy |
| 24 Mar | 70.2 | Carlo Bovi † | Bishop of Sarsina, Italy |
| Apr | | Jean d’Estress † | Bishop of Lectoure, France |
| 24 Apr | | Juan Ortiz de Zárate † | Bishop of Salamanca, Spain |
| 27 Apr | | Basile Cacace, C.R. † | Auxiliary Bishop of Ravenna, Italy |
| May | 60.3 | Cristoforo Memmolo, C.R. † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 8 May | 75.4 | Philippe Cospéan † | Bishop of Lisieux, France |
| 23 May | 86.4 | Richard Arthur † | Bishop of Limerick, Ireland |
| 31 May | 67.4 | Benedetto Mandina, C.R. † | Bishop of Tropea, Italy |
| 14 Jun | | Ottavio Branciforte † | Bishop of Catania, Italy |
| 25 Jun | 76.4 | Heinrich von Knöringen † | Bishop of Augsburg, Germany |
| 27 Jun | 53.0 | Achille d’Estampes de Valançay † | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro |
| 1 Jul | | João Mendes de Távora † | Bishop of Coimbra, Portugal |
| 16 Jul | | Charles-François Abra de Raconis † | Bishop of Lavaur, France |
| 26 Jul | 58.6 | Octave de Bellegarde † | Archbishop of Sens, France |
| 11 Aug | 66.6 | Giovanni Domenico Spinola † | Cardinal, Bishop of Mazara del Vallo, Italy |
| 21 Aug | 63.6 | François de Péricard † | Bishop of Evreux, France |
| Sep | 53.8 | Angelo Cesi † | Bishop of Rimini, Italy |
| 11 Sep | 77.7 | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 14 Sep | | Miguel Da Cruz Rangal, O.P. † | Bishop of Cochin, India |
| 19 Sep | 35.9 | Adrian von Riedmatten (II) † | Bishop of Sion {Sitten}, Switzerland |
| Oct | 65.8 | Ippolito Andreassi, O.S.B. † | Bishop of Terni, Italy |
| 3 Oct | 55.8 | Alexandre della Stufa (Lotteringhi) † | Bishop Emeritus of Montepulciano, Italy |
| 16 Oct | | Giorgio Bianchi † | Bishop of Sapë, Albania |
| Nov | | Alessandro Sarzilla † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 1 Nov | | Josse Bouckaert † | Bishop of Ypres (Ieper), Belgium |
| 1 Nov | 81.8 | Lorenzo Garro † | Bishop of Santiago de Cabo Verde |
| 5 Nov | 64.8 | 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 |
| 26 Nov | 67.9 | Johann Heinrich von Ostein † | Bishop of Basel, Switzerland |
| 12 Dec | 37.9 | Domenico Carnevale † | Bishop of Isola, Italy |
| 24 Dec | | Cesare Raccagna † | Bishop of Città di Castello, Italy |