| Date | Age | Bishop | Title |
| unknown | | Martín Acuña, O. Carm. † | Bishop of Lipari, Italy |
| unknown | | Nicolas Boucher † | Bishop of Verdun, France |
| unknown | | Francesco del Pozzo † | Bishop of Agrigento (Girgenti), Italy |
| unknown | | Cesare Ferrante † | Bishop of Termoli, Italy |
| unknown | | Giovanni Fortiguerra † | Bishop of Bitonto, Italy |
| unknown | | Marco Landi † | Bishop of Ascoli Satriano, Italy |
| unknown | | Prospero Rebiba † | Bishop of Troia, Italy |
| unknown | | Girolamo Righetto † | Bishop of Caorle, Italy |
| unknown | | Valentino Valentini † | Bishop of Città Ducale, Italy |
| 11 Jan | 50.2 | Scipione Gonzaga † | Cardinal, Cardinal-Priest of S. Maria del Popolo |
| 6 Feb | | Jacques Amyot † | Bishop of Auxerre, France |
| 19 Mar | 68.2 | Jerónimo de Escobar, O.S.A. † | Bishop of León en Nicaragua |
| 23 Mar | | Alessandro Andreasi † | Bishop of Mantova, Italy |
| 28 Apr | | Desiderio Mezzapica da S. Martino, O. Carm † | Bishop of Ugento, Italy |
| 26 May | | Isidoro Caja de la Jara † | Bishop of Mondoñedo, Spain |
| Jun | | Juan del Castillo † | Bishop Emeritus of Santiago de Cuba |
| 27 Jul | | Sebastián Pérez † | Bishop of Osma, Spain |
| 29 Jul | | Mateus de Medina, O. Carm. † | Archbishop Emeritus of Goa, India |
| 20 Aug | 57.7 | Filippo Spinola † | Cardinal, Bishop Emeritus of Nola, Italy |
| 4 Sep | | Francesco Carusi, O.F.M. Conv. † | Bishop of Valva, Italy |
| 19 Sep | 63.7 | Jerónimo Manrique de Lara † | Bishop of Salamanca, Spain |
| 26 Sep | | William Chisholm † | Former Administrator of Vaison, France |
| 11 Oct | | Francesco D’Afflitto † | Bishop of Scala, Italy |
| 19 Nov | | Martín Cleriguech Caucer † | Bishop of Huesca, Spain |