| Date | Age | Bishop | Title |
| unknown | 78.0 | Domenico Campanella, O. Carm. † | Bishop of Sant’Agata de’ Goti, Italy |
| unknown | 56.0 | Giacomo Capay y Castagner † | Bishop of Bosa, Italy |
| unknown | | Petar Kačić, O.F.M. † | Bishop of Makarska, Croatia |
| unknown | | Antonio Manunta † | Bishop of Ales e Terralba, Italy |
| unknown | | Antonio Maria Pranzoni (Franzoni) † | Bishop of Minervino Murge, Italy |
| unknown | 76.0 | Gangolph Ralinger † | Auxiliary Bishop of Speyer, Germany |
| unknown | | Wojciech Tolibowski † | Bishop of Poznań, Poland |
| unknown | | Francesco Tontori (Tontolo), C.R.S. † | Bishop of Ischia, Italy |
| unknown | | Juan Bautista Verchi de Campania (Visco), O.F.M. † | Bishop of Pozzuoli, Italy |
| unknown | | Giovanni Battista Volpi † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Jan | 64.0 | Francisco Roger, O.P. † | Bishop of Solsona, Spain |
| 8 Jan | 72.0 | Hugo Eberhard von Cratz von Schraffenstein † | Bishop of Worms, Germany |
| 23 Jan | 51.5 | Giancarlo de’ Medici † | Cardinal, Cardinal-Deacon of San Giorgio in Velabro |
| 6 Feb | 77.5 | Pedro Urbina Montoya, O.F.M. † | Archbishop of Sevilla {Seville}, Spain |
| 8 Feb | | Marcello Cervini † | Bishop of Montepulciano, Italy |
| 8 Feb | 48.1 | Giovanni Battista Paggi, B. † | Bishop of Brugnato, Italy |
| 11 Feb | | Ramón Sentmenat y Lanuza † | Bishop of Barcelona, Spain |
| 19 Feb | 53.1 | Adam Adami, O.S.B. † | Auxiliary Bishop of Hildesheim, Germany |
| 19 Feb | 76.2 | Johann Fiernhammer † | Auxiliary Bishop of Freising, Germany |
| 4 Mar | 58.2 | Barthélemi d’Elbène † | Bishop of Agen, France |
| 14 Mar | 82.0 | Anton Crosini von Bonporto † | Bishop of Brixen {Bressanone}, Italy |
| 19 Apr | 56.0 | Luis Crespi y Borja, C.O. † | Bishop of Plasencia, Spain |
| 21 Apr | | Annibale Bentivoglio † | Titular Archbishop of Thebae |
| 18 May | 62.4 | Boudewijn Cats (Catzius) † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 24 May | | Juan Francisco Pacheco † | Bishop of Cuenca, Spain |
| 27 May | | Pierre de Villars (III) † | Archbishop of Vienne, France |
| 12 Jun | 71.8 | Johann Georg von Herberstein † | Bishop-Elect of Regensburg, Germany |
| 23 Jun | 79.5 | Alonso Pérez de Humanares, O. Cist. † | Bishop of Cádiz, Spain |
| 27 Jun | 63.5 | Richard de Sade † | Bishop of Cavaillon, France |
| 28 Jun | 77.5 | Giulio Cesare Sacchetti † | Cardinal, Prefect of the Congregation of the Council |
| 31 Jul | | Marco Marchiani † | Bishop of Feltre, Italy |
| Aug | | Lorenzo Martinozzi, O.S.B. † | Bishop of Montalcino, Italy |
| Aug | | Jean de Passelaigue, O.S.B. † | Bishop of Belley, France |
| 17 Aug | 60.6 | Juan Bravo Lasprilla † | Bishop of Cartagena (en España) |
| 27 Aug | 80.7 | Nicolò Guidi di Bagno † | Cardinal, Bishop Emeritus of Senigallia, Italy |
| 15 Sep | 57.7 | Filiberto Milliet de Faverges, C.R.L. † | Bishop of Ivrea, Italy |
| 22 Sep | 65.8 | Ambrosio Fracassini, O.P. † | Bishop of Pula (Pola), Croatia |
| 24 Sep | 80.3 | Juan Merino López, O.F.M. † | Bishop of Valladolid, Spain |
| 28 Sep | 67.7 | Juan Ruiz de Colmenero † | Bishop of Guadalajara, Jalisco, México |
| 3 Nov | | Carlo Giuliani, O.P. † | Bishop of Stagno (Ston), Croatia |
| 5 Dec | | Miguel Juan Balaguer Camarasa, O.S.Io.Hieros. † | Bishop of Malta |
| 17 Dec | 97.8 | Gregorio Parcero de Castro, O.S.B. † | Bishop of Tortosa, Spain |
| 21 Dec | 45.0 | Camillo Astalli-Pamphilj † | Cardinal, Bishop of Catania, Italy |