| Date | Age | Bishop | Title |
| unknown | | Giovanni Camerota † | Bishop of Bova, Italy |
| unknown | 47.0 | Carlo Catalani † | Bishop of Crotone (Cotrone), Italy |
| unknown | | Francesco Diotallevi † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| unknown | 42.0 | Pietro Paolo Eustachi † | Bishop of Boiano, Italy |
| unknown | 42.0 | Giuseppe (Giacomo) Pamphilj † | Bishop of Kotor (Cattaro), Montenegro |
| unknown | 54.0 | Isidoro Pentorio, B. † | Bishop of Asti, Italy |
| unknown | 69.0 | Bernardo de Salba, O.F.M. † | Bishop of Urgell, Spain |
| 12 Jan | 76.0 | Bartolomé Lobo Guerrero † | Archbishop of Lima, Peru |
| 22 Jan | | Enrique Enríquez, O.S.A. † | Bishop of Plasencia, Spain |
| Feb | | Giovanni Antonio Massimo † | Bishop of Isola, Italy |
| 12 Feb | 64.1 | Gabriel Sora Aguerri † | Bishop of Albarracin, Spain |
| 20 Feb | 55.1 | Juan de Valle y Arredondo, O.S.B. † | Bishop Emeritus of Guadalajara, Jalisco, México |
| Mar | 59.2 | Petrus Katich (Catich) † | Bishop of Prizren, Serbia |
| 30 Mar | | Horace Capponi † | Bishop of Carpentras, France |
| 31 Mar | | Cristovão da Sá e Lisboa, O.S.H. † | Archbishop of Goa, India |
| 21 Apr | 56.3 | Michelangelo Tonti † | Cardinal, Archbishop (Personal Title) of Cesena, Italy |
| May | | Vincenzo Bonincontro, O.P. † | Bishop of Agrigento (Girgenti), Italy |
| May | 66.3 | Cesare Lippi, O.F.M. † | Bishop of Cava (de’ Tirreni), Italy |
| May | | Francesco Piccolomini † | Bishop of Grosseto, Italy |
| 22 May | 82.4 | Juan Beltrán Guevara y Figueroa † | Archbishop of Santiago de Compostela, Spain |
| 2 Jun | | Tommaso Lapis † | Bishop of Fano, Italy |
| 13 Jun | | Giovanni Battista del Tufo † | Bishop Emeritus of Acerra, Italy |
| 13 Jun | | Orazio Mattei † | Bishop of Gerace, Italy |
| 22 Jul | | Baltazar de Covarrubias y Múñoz, O.S.A. † | Bishop of Michoacán, México |
| Aug | 52.6 | Filippo Bardi (dei Verni) † | Bishop of Cortona, Italy |
| Aug | | Miguel Angel Zaragoza Heredia † | Bishop of Teano, Italy |
| 2 Aug | | François de La Valette Cornusson † | Bishop of Vabres, France |
| 7 Aug | 83.5 | Stephan Weber † | Auxiliary Bishop of Mainz, Germany |
| 9 Aug | | Juan Llano Valdés † | Bishop of León, Spain |
| 12 Aug | | Juan Antonio Bovio, O. Carm. † | Bishop of Molfetta, Italy |
| 14 Aug | 50.6 | Henri de Gondi † | Cardinal, Bishop of Paris, France |
| Sep | | Pietro Antonio Da Ponte, C.R. † | Bishop of Troia, Italy |
| 8 Sep | 56.7 | Galeazzo Sanvitale † | Archbishop Emeritus of Bari (-Canosa), Italy |
| 16 Sep | 34.7 | Aurelio Archinto † | Bishop of Como, Italy |
| 23 Sep | 39.7 | Nicolò Spínola, C.R. † | Bishop of Ventimiglia, Italy |
| 26 Sep | | Luis Tena † | Bishop of Tortosa, Spain |
| 29 Sep | 40.7 | Filippo Filonardi † | Cardinal, Bishop Emeritus of Aquino, Italy |
| 13 Oct | 69.8 | Onofre Reart † | Bishop Emeritus of Gerona, Spain |
| 16 Oct | 57.4 | Giovanni Emo † | Bishop of Bergamo, Italy |
| 31 Oct | 64.8 | Juan Pérez de Espinosa, O.F.M. † | Bishop Emeritus of Santiago de Chile |
| 3 Nov | 57.8 | Juan de Moncada † | Archbishop of Tarragona, Spain |
| 15 Nov | 62.9 | Paweł Wołucki † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 25 Nov | 77.9 | Giovanni Delfino † | Cardinal, Bishop Emeritus of Vicenza, Italy |
| Dec | | Hermolaus Barbaro † | Patriarch of Aquileia, Italy |
| Dec | 56.9 | Pietro Budi † | Bishop of Sapë, Albania |
| 28 Dec | 55.4 | St. François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| 29 Dec | 47.4 | Johann Gottfried von Aschhausen † | Bishop of Bamberg, Germany |