| Date | Age | Bishop | Title |
| unknown | | Hieronymus Otto Agricola † | Bishop of Brixen {Bressanone}, Italy |
| unknown | | Antonio Albergati † | Apostolic Nuncio to Germany |
| unknown | | Francisco de Menezes † | Bishop of Leiria, Portugal |
| unknown | | Cyprian Pavoni † | Bishop of Rimini, Italy |
| 3 Jan | | Luis Díaz Aux de Armendáriz, O. Cist. † | Bishop of Urgell, Spain |
| 3 Jan | 52.0 | Domenico Rivarola † | Cardinal, Titular Archbishop of Nazareth |
| 10 Mar | | Francisco Senjust, O.S.B. † | Bishop of Gerona, Spain |
| 3 Apr | 65.3 | Giovanni Linati † | Bishop of Piacenza, Italy |
| 7 Apr | 56.3 | Bonifazio Bevilacqua Aldobrandini † | Cardinal, Cardinal-Bishop of Frascati |
| 1 Jul | 82.5 | Alfonso López Gallo † | Bishop of Valladolid, Spain |
| 12 Jul | | Giovanni Battista Ferrero, O.P. † | Archbishop of Torino {Turin}, Italy |
| 5 Aug | 65.0 | Pedro González del Castillo † | Bishop of Calahorra y La Calzada, Spain |
| 27 Aug | | Antonio d'Aquino † | Archbishop of Taranto, Italy |
| 4 Sep | | Lorenzo Pérez de Grado † | Bishop of Paraguay |
| 11 Oct | 58.9 | Bernardo de Valbuena y Villanueva † | Bishop of Puerto Rico (Porto Rico) |
| 15 Oct | | Gonzalo López de Ocampo † | Archbishop of Lima, Peru |
| 3 Nov | 54.8 | Giambattista Leni † | Cardinal, Bishop of Ferrara, Italy |
| 13 Nov | | Alfonso Manzanedo de Quiñones † | Patriarch of the Titular See |
| 16 Nov | 52.5 | Sixt Werner Reichsfreiherr von Vogt von Altensumerau und Prasberg † | Bishop-Elect of Konstanz {Constance}, Germany |
| 12 Dec | | Lorenzo Landi † | Bishop of Fossombrone, Italy |
| 26 Dec | 33.9 | Vincenzo Gonzaga † | |