| Date | Age | Bishop | Title |
| unknown | | Giulio Fioretti, O.F.M. † | Bishop of Chiron, Greece |
| unknown | | Giacomo Guidi, O.S.Io.Hieros. † | Bishop Emeritus of Penne e Atri, Italy |
| unknown | | Silvio Passerini † | Archbishop of Cosenza, Italy |
| unknown | | Mihály Piperković, O.F.M. Obs. † | Bishop of Senj, Croatia |
| unknown | | Carlo Pesaro (Pisani) † | Bishop of Torcello (Turris), Italy |
| unknown | | Francesco Rusticucci † | Bishop of Fano, Italy |
| unknown | | Leonardo Truchi (Trucco) † | Bishop of Noli, Italy |
| unknown | | Nicolas Ugrinovich, O.F.M. Conv. † | Bishop of Smederevo (Semendria), Serbia |
| 2 Jan | 64.0 | Andrzej Patrycy Nidecki † | Bishop of Wenden (Windau), Poland |
| 3 Jan | | Giovanni Luigi Marescotti, O.S.B. † | Bishop of Strongoli, Italy |
| 11 Jan | | Diego González † | Bishop of Almería, Spain |
| 14 Jan | 54.0 | Alonso Velázquez † | Archbishop of Santiago de Compostela, Spain |
| 21 Jan | 71.9 | György Drašković † | Cardinal, Archbishop of Kalocsa, Hungary |
| 25 Jan | 44.6 | Georg von Kuenburg † | Archbishop of Salzburg, Austria |
| 28 Jan | | Giovanni Gerolamo Manerio † | Bishop of Venosa, Italy |
| 1 Feb | | Gómez Zapata † | Bishop of Cuenca, Spain |
| 9 Feb | | Bartolomeu Leităo † | Bishop of Santiago de Cabo Verde |
| 10 Feb | 67.1 | Wiktoryn Wierzbicki † | Bishop of Lutsk (Łuck), Ukraine |
| 14 Feb | | Bonaventure Naughten, O.F.M. Obs. † | Bishop of Ross, Ireland |
| 18 Feb | | Fernando Vellosillo Barrio † | Bishop of Lugo, Spain |
| 26 Feb | 50.2 | Giovanni Francesco Bonomigni (Bonomi, Bonhomini) † | Bishop of Vercelli, Italy |
| 4 Mar | 58.1 | Paolo Bisanti † | Bishop Emeritus of Kotor (Cattaro), Montenegro |
| 17 Mar | 73.2 | Fabio Mirto Frangipani † | Bishop Emeritus of Caiazzo, Italy |
| 19 Mar | 69.2 | Domenico della Rovere, O.P. † | Bishop of Asti, Italy |
| 19 Mar | | Martin Duplätre † | Abbot of Saint-Maurice, Switzerland |
| 23 Mar | 56.3 | Charles d’Angennes † | Cardinal, Bishop of Le Mans, France |
| Apr | | Pietro Lunello † | Bishop of Gaeta, Italy |
| 11 Apr | | Ottaviano Preconio † | Bishop of Cefalů, Italy |
| 5 May | 54.2 | Giovanni Francesco Gŕmbara † | Cardinal, Cardinal-Bishop of Palestrina |
| 6 May | | François de Simiane, O. Cart. † | Bishop of Apt, France |
| 7 Jul | 50.5 | Antoine Pichot, O.S.B. † | Bishop of Saluzzo, Italy |
| 14 Jul | | Joăo Afonso de Meneses † | Archbishop of Braga, Portugal |
| 22 Jul | | Georges de Péricard † | Bishop of Avranches, France |
| 28 Jul | 69.4 | Godfried van Mierlo, O.P. † | Bishop Emeritus of Haarlem, Netherlands |
| 31 Jul | 76.5 | Theobald Craschel † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 11 Aug | 49.6 | Nikolaus Elgard † | Auxiliary Bishop of Mainz, Germany |
| 13 Aug | | Pedro de Lafuente † | Bishop of Pamplona, Spain |
| 17 Aug | 45.8 | Filippo Guastavillani † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 15 Sep | | Francisco Ribera Obando, O.S.A. † | Bishop-Elect of Segovia, Spain |
| 15 Sep | | Germain Vaillant de Guelin † | Bishop of Orléans, France |
| 28 Sep | | Guillaume Ruzé † | Bishop of Angers, France |
| 7 Oct | 54.7 | Arthur de Cossé-Brissac † | Bishop of Coutances, France |
| 9 Oct | 38.2 | Decio Azzolini (Sr.) † | Cardinal, Bishop of Cervia, Italy |
| 9 Oct | 57.7 | Francesco Sporeni, O.F.M. Obs. † | Titular Bishop of Sebaste in Cilicia |
| 17 Oct | 84.7 | Umberto Locati, O.P. † | Bishop Emeritus of Bagnoregio (Bagnorea), Italy |
| 28 Oct | | Francesco Spera, O.F.M. † | Titular Archbishop of Nazareth |
| 30 Oct | 26.5 | Charles de Lorraine-Vaudémont (II) † | Cardinal, Administrator of Toul, France |
| 24 Nov | 73.8 | Melchor Alvarez de Vozmediano † | Bishop Emeritus of Guadix, Spain |
| 5 Dec | 64.9 | Giacomo Savelli † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 11 Dec | | Lattanzio Lattanzi † | Bishop of Pistoia, Italy |
| 12 Dec | 52.9 | Aloysius Delfino † | Bishop of Canea (Cydonia, Egée), Greece |
| 15 Dec | | Peter Power † | Bishop of Ferns, Ireland |