| Date | Age | Bishop | Title |
| unknown | | Lorenzo Belo † | Bishop of Capaccio, Italy |
| unknown | | Nicola Canyelles † | Bishop of Bosa, Italy |
| unknown | | Gian Matteo Castaldo, O.S.B. † | Bishop of Pozzuoli, Italy |
| unknown | | Francesco Antonio D’Affitto † | Bishop of San Marco (Argentano), Italy |
| unknown | | Vicente de Fonseca, O.P. † | Archbishop of Goa, India |
| unknown | | Maurice MacBrien † | Bishop of Emly, Ireland |
| unknown | | Cesare Nardo, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
| unknown | | Girolamo Negri † | Bishop Emeritus of Chioggia, Italy |
| unknown | | Cipriano Pallavicino † | Archbishop of Genova, Italy |
| unknown | | Miguel Rubio, O. Cist. † | Bishop of Ampurias e Civita, Italy |
| unknown | | Giuseppe Sappi † | Archbishop of Manfredonia, Italy |
| unknown | | Roberto Sassatelli † | Bishop of Pesaro, Italy |
| unknown | 35.6 | Maffeo Venier † | Archbishop of Corfù, Greece |
| unknown | | Wiktoryn Wierzbicki † | Bishop of Lutsk (Łuck), Ukraine |
| Feb | | István Radeczy de Zemche † | Bishop of Eger, Hungary |
| 13 Feb | | Gaspar Juan de la Figuera, C.R.S.A. † | Bishop of Lérida, Spain |
| 21 Feb | 75.1 | Michele della Torre † | Cardinal, Bishop of Ceneda, Italy |
| 27 Mar | | Maximilien Morillon † | Bishop of Tournai {Doornik}, Belgium |
| 19 Apr | | Marcin Białobrzeski, O. Cist. † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 19 Apr | | Alvaro Hurtado de Mendoza y Sarmiento † | Bishop of Palencia, Spain |
| 22 Apr | 51.3 | Mikuláš Telegdy † | Bishop of Pécs, Hungary |
| 4 May | 71.3 | Johann Jakob von Kuen-Belasy † | Archbishop of Salzburg, Austria |
| 31 May | 69.3 | Antonio Agustín † | Archbishop of Tarragona, Spain |
| 9 Jun | 37.8 | Filippo Boncompagni † | Cardinal, Cardinal-Priest of San Sisto |
| 28 Jun | | Antonio Rodríguez de Pazos y Figueroa † | Bishop of Córdoba, Spain |
| Jul | | Niccolò Aragonio (Aragona) † | Bishop of Ascoli Piceno, Italy |
| 5 Jul | 55.5 | Eberhard von Holle † | Former Bishop-Elect of Lübeck, Germany |
| 3 Aug | | Andrés de Noronha † | Bishop of Plasencia, Spain |
| 14 Aug | | Bernardo Gascó † | Bishop of Mazara del Vallo, Italy |
| 24 Aug | | Gaspar Vicente Novella † | Archbishop of Cagliari, Italy |
| 10 Sep | | Juan Montalvo, O.P. † | Bishop of Cartagena, Colombia |
| 21 Sep | 69.1 | Antoine Perrenot de Granvella † | Cardinal, Archbishop of Besançon, France |
| 29 Sep | 64.7 | Pierdonato Cesi (Sr.) † | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 10 Oct | 50.5 | Ignazio (Pellegrino) Danti, O.P. † | Bishop of Alatri, Italy |
| 11 Oct | | Jean Six † | Bishop of Saint-Omer, France |
| 29 Oct | 69.8 | Vincenzo Ercolano (Herculani), O.P. † | Bishop of Perugia, Italy |
| Nov | | Bernardino Figueroa † | Archbishop of Brindisi, Italy |
| 13 Nov | | Marcello Maiorana, C.R. † | Bishop of Acerra, Italy |
| 24 Nov | 59.6 | Johann Leisentrit † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 26 Nov | | Franciscus Cantuccius † | Bishop of Loreto, Italy |
| 8 Dec | | Hugo Amrosio de Moncada † | Bishop of Urgell, Spain |
| 30 Dec | 49.0 | Luigi d’Este † | Cardinal, Bishop Emeritus of Ferrara, Italy |