| Date | Age | Bishop | Title |
| unknown | | Giovanni Brainfort, O.S.B. † | Auxiliary Bishop of Lincoln, England, Great Britain |
| unknown | | Gerolamo Castaldi † | Bishop of Massa Lubrense, Italy |
| unknown | | Arnaud (Ferdinando) Castiglia † | Bishop of Bagnoregio (Bagnorea), Italy |
| unknown | | Marcantonio Foscarini † | Bishop of Novigrad (Cittanova), Croatia |
| unknown | | Marco de Franceschi † | Bishop of Cefalonia e Zante, Greece |
| unknown | | Thomas Hulsay † | Bishop of Leighlin, Ireland |
| unknown | | Claude de Husson † | Bishop of Poitiers, France |
| unknown | | Acenario López † | Bishop of Santorini {Thira}, Greece |
| unknown | | Antonio Lucifero † | Bishop of Crotone (Cotrone), Italy |
| unknown | 91.0 | Jakob Ulvsson (Ulfsson) † | Archbishop Emeritus of Uppsala, Sweden |
| unknown | | John Penny, C.R.S.A. † | Bishop of Carlisle, England, Great Britain |
| unknown | | Antonio Camillo Pesci † | Bishop of Muro Lucano, Italy |
| unknown | | Juan Pilars † | Archbishop of Cagliari, Italy |
| unknown | | Sismondo Filiasus Roverella † | Archbishop Emeritus of Ravenna, Italy |
| unknown | | Giacomo Torrella † | Bishop of Trevico, Italy |
| unknown | | Gómez de Toledo Solís † | Bishop of Plasencia, Spain |
| unknown | | Giovanni de Zaguis, O.S.B. † | Bishop of Drivasto (Drivost), Albania |
| 6 Jan | 23.0 | Guillaume de Croy † | Cardinal, Bishop Emeritus of Cambrai, France |
| 17 Jan | 57.5 | Giovanni Ferrer † | Archbishop of Arles, France |
| 30 Jan | | John Folan † | Bishop of Limerick, Ireland |
| 4 Feb | 82.0 | William Atwater † | Bishop of Lincoln, England, Great Britain |
| 7 Mar | 80.1 | Martín García † | Bishop of Barcelona, Spain |
| 12 Mar | 56.1 | Andrew Forman, O.S.A. † | Archbishop of Saint Andrews, Scotland, Great Britain |
| 17 Mar | | Agostino de Ortis, O.P. † | Bishop of Satriano, Italy |
| 29 Mar | | Christoph von Schrofenstein † | Bishop of Brixen {Bressanone}, Italy |
| Apr | | Francisco de Carta † | Auxiliary Bishop of Urgell, Spain |
| 16 Apr | | Silvestro de’ Gigli † | Bishop of Worcester, England, Great Britain |
| 15 May | | Job von Dobenek, O.T. † | Bishop of Pomesania (Pomezania), Poland |
| 11 Jun | 79.4 | Tamás Bakócz † | Cardinal, Archbishop of Esztergom, Hungary |
| 28 Jun | | Juan González Meneses † | Bishop of Almería, Spain |
| 29 Jun | 51.4 | Francesco Conti † | Cardinal, Archbishop Emeritus of Conza, Italy |
| 9 Jul | 60.1 | Raffaele Sansoni Riario † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 15 Jul | | Luis Martiano † | Bishop of Tuy, Spain |
| 16 Jul | | Guillermo Ramón de Moncada † | Bishop of Tarazona, Spain |
| 24 Aug | | Louis de Villiers de L’Isle-Adam † | Bishop of Beauvais, France |
| 1 Oct | | Giovanni Sernino de Cucciati † | Bishop of Cortona, Italy |
| 13 Oct | | Jean Marre † | Bishop of Condom, France |
| 21 Nov | | William Rockeby † | Archbishop of Dublin, Ireland |
| 22 Nov | | François de Melun † | Bishop of Thérouanne, France |
| 26 Nov | 73.9 | Martin Karith † | Bishop of Kammin (Camin), Germany |
| 28 Nov | 87.9 | Martinho da Costa † | Archbishop of Lisboa, Portugal |
| Dec | 63.9 | Adriano di Castello (Castellesi) † | Cardinal, Former Administrator of Bath and Wells, England, Great Britain |
| 1 Dec | 45.9 | Giovanni de’ Medici † | Pope (Roma {Rome}, Italy) |
| 10 Dec | | Mathurin de Plédran † | Bishop of Dol, France |
| 27 Dec | | Jean Bernardi d’Allinges † | Abbot of Saint-Maurice, Switzerland |