| Date | Age | Bishop | Title |
| unknown | | Stanislaw Bosovius † | Auxiliary Bishop of Płock, Poland |
| unknown | 36.0 | Giovanni Desideri (Conte) † | Bishop of Rieti, Italy |
| unknown | | Diego della Quadra † | Bishop of Lavello, Italy |
| unknown | | Antonio Guidi † | Bishop of Trogir (Traù), Croatia |
| unknown | | Joseph-Elie † | Archbishop of Diarbekir (Amida) (Chaldean), Turkey |
| unknown | | Benedetto Leoni, O.S.C. † | Bishop of Arkadi, Greece |
| unknown | | Alvise Molino † | Bishop of Treviso, Italy |
| unknown | | Benedetto Sceptius, O.P. † | Bishop of Syros (e Milos), Greece |
| unknown | | Miklós Zelniczey Naprady † | Bishop of Zagreb (Agram), Croatia |
| 10 Jan | 39.6 | Johann Adam von Bicken † | Archbishop-Elect of Mainz, Germany |
| 11 Jan | 49.0 | Johann Georg von Hallwyl † | Bishop of Konstanz {Constance}, Germany |
| 24 Jan | | Juan Pedrosa, O.S.B. † | Archbishop of Brindisi, Italy |
| 6 Feb | | Giovanni Domenico Rebiba † | Bishop of Catania, Italy |
| 7 Feb | 57.0 | Tommaso Contarini † | Archbishop of Candia {Crete}, Greece |
| 16 Feb | 80.1 | Bartolomé de Ledesma, O.P. † | Bishop of Antequera, Oaxaca, México |
| 29 Feb | 82.3 | Lucio Sassi † | Cardinal, Bishop Emeritus of Ripatransone, Italy |
| 7 Mar | 53.1 | Minuccio Minucci † | Archbishop of Zadar (Zara), Croatia |
| 13 Mar | 66.6 | Arnaud d’Ossat † | Cardinal, Bishop of Bayeux, France |
| 21 Mar | | Philipp von Rothenstein † | Bishop of Worms, Germany |
| 12 Apr | | Jean-Godefroi Ginod † | Bishop of Belley, France |
| 6 May | | Pedro García Galarza † | Bishop of Coria, Spain |
| 16 May | | Alessandro Riccardi † | Bishop of Sessa Aurunca, Italy |
| 20 May | 54.0 | Simeone Tagliavia d’Aragonia † | Cardinal, Cardinal-Bishop of Sabina |
| 24 May | | Andreas Hofmann † | Auxiliary Bishop of Passau, Germany |
| 4 Jun | | Roberto Pierbenedetti † | Bishop of Nocera Umbra, Italy |
| Jul | | Bernardino Quirino, O.F.M. Obs. † | Bishop of Ardjisch (Argeș; Argesch), Romania |
| 2 Jul | 57.5 | Benedetto Mandina, C.R. † | Bishop of Caserta, Italy |
| 6 Jul | 66.5 | Giovanni Anselmo Carminati † | Bishop of Alba (Pompea), Italy |
| 8 Jul | | Francisco Velarde de la Cuenca † | Archbishop of Messina, Italy |
| 24 Jul | 60.5 | Antonio Atzori † | Bishop of Bosa, Italy |
| 26 Jul | 42.5 | Agustín Dávila y Padilla, O.P. † | Archbishop of Santo Domingo, Dominican Republic |
| 29 Aug | 58.8 | Bl. Giovanni Giovenale Ancina, C.O. † | Bishop of Saluzzo, Italy |
| Sep | | Eugenio Savino † | Bishop of Telese o Cerreto Sannita, Italy |
| 4 Sep | | Girolamo Bevilacqua, O.F.M. † | Titular Archbishop of Nazareth |
| 10 Sep | | Francisco de Ribera, O.F.M. Obs. † | Bishop of Leighlin, Ireland |
| 11 Sep | | Alonso Martínez de la Torre, O.S. † | Bishop of Oviedo, Spain |
| 30 Sep | | Johann Baptist Pichlmair † | Auxiliary Bishop of Regensburg, Germany |
| 15 Nov | | Jean Raymond † | Bishop of Saint-Papoul, France |
| 16 Nov | | Juan Fonseca † | Bishop of Guadix, Spain |
| 24 Nov | 74.8 | Hildebrand Riedmatten † | Bishop of Sion {Sitten}, Switzerland |
| 13 Dec | 79.9 | Martín de Salvatierra † | Bishop of Ciudad Rodrigo, Spain |
| 17 Dec | | Hippolytus Manari, O.S.M. † | Bishop of Montepeloso, Italy |