| Date | Age | Bishop | Title |
| unknown | | Bartolomeo Beccari, O.F.M. Conv. † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | 53.0 | Jeronimo de Carcamo † | Bishop of Trujillo, Peru |
| unknown | | Andreas Corbelli † | Bishop of Canea (Cydonia, Egée), Greece |
| unknown | | Vincenzo Giustiniani † | Bishop of Gravina (di Puglia), Italy |
| unknown | | Carolus Griming † | Auxiliary Bishop of Gurk, Austria |
| unknown | | Pomponio de Magistris † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Girolamo Palazzuoli † | Bishop of Isola, Italy |
| unknown | | Gaspare Paluzzi degli Albertoni † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| unknown | | Charles Pérusse des Cars † | Bishop of Langres, France |
| unknown | 51.0 | Paulus Pico, O.P. † | Bishop of Vulturara e Montecorvino, Italy |
| unknown | 53.0 | Jeronimo Quintanilla, O. Cist. † | Bishop of São Tomé e Príncipe |
| unknown | | Claudius Sozomenus † | Auxiliary Bishop of Salzburg, Austria |
| 28 Jan | 79.9 | Francesco Mantica † | Cardinal, Cardinal-Priest of Santa Maria del Popolo |
| 1 Feb | 60.1 | Jean Daffis † | Bishop of Lombez, France |
| 15 Feb | 62.1 | Luis Cerqueira, S.J. † | Bishop of Funay (Funai), Japan |
| 28 Feb | | Jean Richardot † | Archbishop of Cambrai, France |
| 4 Mar | 86.2 | Papirio Picedi † | Bishop of Parma, Italy |
| 11 Mar | | Ottavio Abbiosi † | Bishop Emeritus of Pistoia, Italy |
| 18 Mar | 53.2 | Sebastião de Ascensão, O.P. † | Bishop of Santiago de Cabo Verde |
| 30 Mar | | Jan Zamoyski, O.S.B. † | Archbishop of Lviv, Ukraine |
| 23 Apr | | Ascanio Parisi † | Bishop of Marsico Nuovo, Italy |
| 3 May | | Sasbout Vosmeer † | Titular Bishop of Philippi |
| Jun | | Jerónimo Teixeira Cabral † | Bishop of Miranda (do Douro), Portugal |
| 10 Jun | 78.4 | Tomás Gargal (Gargallo), O.S.Io.Hieros. † | Bishop of Malta |
| 11 Jun | 54.4 | Pedro Ordóñez y Flórez † | Archbishop of Santafé en Nueva Granada, Colombia |
| 1 Jul | 58.6 | Maximiliano de Austria † | Archbishop of Santiago de Compostela, Spain |
| 2 Jul | | Ghisbertus Masius † | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 21 Aug | 82.2 | Juan Alonso Moscoso † | Bishop of Málaga, Spain |
| 28 Aug | | Bartolomeo Lanfredini † | Bishop of Fiesole, Italy |
| 13 Sep | 61.2 | Juan de Cervantes † | Bishop of Antequera, Oaxaca, México |
| 13 Sep | 64.7 | François Vernède-Corneillan † | Bishop of Rodez, France |
| 6 Oct | | Antonio Benegas Figueroa † | Bishop of Sigüenza, Spain |
| 13 Oct | | Jullio del Carretto † | Bishop of Casale Monferrato, Italy |
| 19 Oct | | Diogo Correia † | Bishop of Portalegre, Portugal |
| 19 Oct | | Diego Corrêa de Souza † | Bishop of Portalegre, Portugal |
| 30 Oct | 53.8 | François de La Guesle † | Archbishop of Tours, France |
| Nov | 65.8 | Antonio Bornio † | Bishop of Castro di Puglia, Italy |
| Nov | | Bartolomeo Cartolario † | Bishop of Chioggia, Italy |
| 5 Nov | | Fabrizio Gallo † | Bishop of Nola, Italy |
| 24 Dec | 68.0 | Fernando Trexo y Senabria, O.F.M. † | Bishop of Córdoba (Tucumán), Argentina |