| Date | Age | Bishop | Title |
| unknown | 53.0 | Arcangelo Baldini, O.P. † | Bishop of Gravina (di Puglia), Italy |
| unknown | | Antonio Cesonio † | Bishop of Oppido Mamertina, Italy |
| unknown | | Mateus da Costa Aborim † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| unknown | | Paolo De Curtis, C.R. † | Bishop of Isernia, Italy |
| unknown | 78.5 | Alfonso del Galdo, O.P. † | Bishop of Comayagua, Honduras |
| unknown | 42.0 | Lucas García Miranda † | Bishop of Santa Marta, Colombia |
| unknown | 63.0 | Jean de Pélissier, O.S.B. † | Bishop of Apt, France |
| unknown | | Máximo Pereira, O.S.B. † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| unknown | 61.0 | Fabio Piccolomini † | Bishop of Massa Marittima, Italy |
| unknown | | Diego Ramirez de Cepeda † | Bishop of Cartagena, Colombia |
| unknown | | Sebastião de São Pedro, O.S.A. † | Archbishop of Goa, India |
| unknown | | Benito Rodriguez de Valtodano (Baltodano), O.S.B. † | Bishop of Nicaragua |
| 12 Jan | | Iñigo Brizuela Artiaga, O.P. † | Bishop Emeritus of Segovia, Spain |
| 20 Jan | 78.4 | Bartholomäus Scholl † | Auxiliary Bishop of Freising, Germany |
| 28 Jan | 64.1 | Giacomo Cavalieri (Caballero) † | Cardinal, Cardinal-Priest of Sant’Eusebio |
| 2 Feb | 56.1 | Fernando Acevedo González † | Archbishop of Burgos, Spain |
| 26 Feb | 74.2 | João de Portugal, O.P. † | Bishop of Viseu, Portugal |
| 10 Mar | 70.2 | Ulpiano (Volpiano) Volpi † | Bishop of Novara, Italy |
| 9 Apr | 55.3 | Pietro Valier † | Cardinal, Bishop of Padova {Padua}, Italy |
| 11 Apr | 75.3 | Guillaume Gifford, O.S.B. † | Archbishop of Reims, France |
| 3 May | | Baglione Carradore † | Bishop of Marsi, Italy |
| 14 Jun | 60.5 | Miguel García Serrano, O.S.A. † | Archbishop of Manila, Philippines |
| 24 Jun | 35.5 | Balthazar de Budos † | Bishop of Agde, France |
| 6 Jul | 55.8 | Georg Friedrich Greiffenclau von Vollrads † | Archbishop of Mainz, Germany |
| 6 Jul | 54.5 | Denis Stoffels (Christophori) † | Bishop of Brugge {Bruges}, Belgium |
| 29 Jul | | Luiz de Brito de Menezes, O.S.A. † | Bishop of Cochin, India |
| 30 Jul | | Basile Pignatelli, C.R. † | Bishop Emeritus of L’Aquila, Italy |
| 1 Aug | 70.8 | Ottavio Bandini † | Cardinal, Archbishop Emeritus of Fermo, Italy |
| 4 Aug | 56.7 | Andrea Baroni Peretti Montalto † | Cardinal, Cardinal-Bishop of Frascati |
| 14 Aug | 67.6 | Carlo Gaudenzio Madruzzo † | Cardinal, Bishop of Trento, Italy |
| 24 Aug | 72.6 | Filippo Bili (Bigli), C.R. † | Bishop of Cagli, Italy |
| Sep | | Baldassarre Bolognetti, O.S.M. † | Bishop of Nicastro, Italy |
| 13 Sep | 51.7 | Johannes Brenner † | Auxiliary Bishop of Passau, Germany |
| 15 Sep | 69.7 | Jean Dauvin † | Bishop of Namur {Namen}, Belgium |
| 20 Sep | 52.7 | Augustin Pitterich, O.S.B. † | Auxiliary Bishop of Wien, Austria |
| 22 Sep | 70.7 | Johann Jakob Mirgel † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 25 Sep | 60.7 | Agostino Gradenigo † | Patriarch of Aquileia, Italy |
| 28 Sep | 56.7 | Pietro Emo, C.R. † | Bishop of Crema, Italy |
| 2 Oct | 54.7 | Pierre Bérulle, C.O.I. † | Cardinal, Superior General of Société de l’Oratoire de Jésus |
| 2 Oct | 67.8 | Giovanni Garzia Millini † | Cardinal, Cardinal-Bishop of Frascati |
| 5 Oct | 59.8 | Juan Martínez de Peralta, O.S.H. † | Archbishop of Zaragoza, Spain |
| 26 Oct | | Aureolo Averoldi † | Bishop Emeritus of Castellaneta, Italy |
| 28 Oct | 37.8 | Giovanni Battista Indelli † | Bishop of San Marco (Argentano), Italy |
| 29 Oct | | Léonard de Trapes, O.F.M. Cap. † | Archbishop of Auch, France |
| 12 Nov | 60.9 | Paolo Faraone † | Bishop of Siracusa, Italy |
| 16 Nov | 61.9 | Florence Conry, O.F.M. † | Archbishop of Tuam, Ireland |
| Dec | 47.9 | Francesco Andrea Gelsomino, O.S.A. † | Bishop of Ascoli Satriano, Italy |
| 10 Dec | 47.9 | Angelus Maria Cittadini, O. Cart. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 13 Dec | | William Chisholm † | Bishop of Vaison, France |
| 19 Dec | 63.0 | Francisco López de Mendoza † | Bishop of Perpignan-Elne, France |