| Date | Age | Bishop | Title |
| unknown | | Nicolás de Aragón † | Bishop of Bosa, Italy |
| unknown | | John Bell, O.F.M. † | Bishop of Mayo, Ireland |
| unknown | 75.0 | Paolo Borgasio † | Bishop Emeritus of Nemosia (Limasol), Cyprus |
| unknown | | Giacomo de Cadapesario † | Bishop of Paphos, Cyprus |
| unknown | | Giovanni Maria Canigiani, O.S.B. † | Auxiliary Bishop of Pistoia, Italy |
| unknown | | Pietro Lamberti † | Bishop of Caserta, Italy |
| unknown | | Ludovico de Martinis, O.P. † | Bishop of Ario, Greece |
| unknown | | Robert Maxwell † | Bishop of Orkney (Kirkwall), Scotland, Great Britain |
| unknown | | Nicolò Niconisi † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| unknown | | Maurice O’Kelly, O.F.M. † | Bishop of Kilfenora, Ireland |
| unknown | | Jacopo Pisauro † | Bishop of Paphos, Cyprus |
| unknown | 52.0 | Nikolaus Schigmers, O.S.A. † | Auxiliary Bishop of Speyer, Germany |
| unknown | | Barthélemy Simon † | Auxiliary Bishop of Chartres, France |
| unknown | | Andrew Stewart † | Bishop of Caithness, Scotland, Great Britain |
| unknown | | Georg von Tessing † | Bishop of Seckau, Austria |
| unknown | | Henry Wemyss (Weems) † | Bishop of Whithorn-Galloway, Scotland, Great Britain |
| unknown | | Andrew Whitmay, O.S.A. † | Auxiliary Bishop of Worcester, England, Great Britain |
| unknown | | Jan Wilamowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 3 Jan | | John Clerk † | Bishop of Bath and Wells, England, Great Britain |
| 5 Jan | 60.5 | Philipp von der Pfalz (von Bayern) † | Bishop of Freising, Germany |
| 20 Jan | | Jan Busiński † | Auxiliary Bishop of Gniezno, Poland |
| 22 Jan | 103.0 | Pierre Filhol (Filleul) † | Archbishop of Aix, France |
| 25 Jan | 66.0 | Gottschalk von Ahlefeld † | Bishop of Schleswig, Germany |
| 8 Feb | | Alonso de Castilla Zúniga † | Bishop of Calahorra y La Calzada, Spain |
| 13 Mar | 61.1 | François Guillaume de Castelnau de Clermont-Ludève † | Cardinal, Cardinal-Bishop of Frascati |
| 12 Apr | 33.2 | Georges de Selve † | Bishop of Lavaur, France |
| 6 May | 71.3 | Jakub Buczacki † | Bishop of Płock, Poland |
| 21 May | | Johann Fabri (Heigerlein von Leutkirch) † | Bishop of Wien, Austria |
| 29 Jun | 66.4 | Wilhelm von Hohnstein † | Bishop of Strasbourg, France |
| 3 Jul | 61.5 | Girolamo Ghinucci {Ginucci} † | Cardinal, Bishop of Worcester, England, Great Britain |
| 11 Jul | | Bernard Zoubek ze Zdětína † | Bishop-Elect of Olomouc (Olmütz), Czechia |
| 25 Jul | | Jean de Langeac † | Bishop of Limoges, France |
| 26 Jul | 41.4 | Giovanni Guidiccioni † | Bishop of Fossombrone, Italy |
| 25 Aug | 70.6 | Paul Ziegler von Ziegelberg † | Bishop of Chur, Switzerland |
| 28 Aug | 64.6 | Gianvincenzo Carafa † | Cardinal, Cardinal-Bishop of Palestrina |
| 20 Sep | 79.7 | Yves Mahyeuc (Mayeu), O.P. † | Bishop Emeritus of Rennes, France |
| 13 Oct | 63.7 | Pedro Gómez Sarmiento de Villandrando † | Cardinal, Archbishop of Santiago de Compostela, Spain |
| 31 Oct | 42.8 | Vicente Valverde Alvarez, O.P. † | Bishop of Cuzco, Peru |
| 11 Nov | 61.8 | Federico (de Campo) Fregóso † | Cardinal, Bishop of Gubbio, Italy |
| Dec | | Diego da Silva, O.F.M. † | Archbishop of Braga, Portugal |
| 29 Dec | 54.9 | Antoine de Vergy (Verzy) † | Archbishop of Besançon, France |