| Date | Age | Bishop | Title |
| unknown | 86.0 | Marcello Acquaviva † | Archbishop Emeritus of Otranto, Italy |
| unknown | 62.0 | Diego de Arce, O.F.M. † | Bishop of Cassano all’Jonio, Italy |
| unknown | 71.0 | Barzellino de’ Barzellini † | Bishop of Satriano e Campagna, Italy |
| unknown | | Giovanni Battista Costanzo † | Archbishop of Cosenza, Italy |
| unknown | | Arcangelo Gualtieri, O.F.M. † | Archbishop of Monreale, Italy |
| unknown | 57.0 | Valerianus Łubieniecki, O.F.M. † | Bishop of Bacău, Romania |
| unknown | | Gonçalo de Morais, O.S.B. † | Bishop of Porto, Portugal |
| unknown | | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Pozzuoli, Italy |
| unknown | | Lourenço de Távora, O.F.M. † | Bishop of Funchal, Portugal |
| unknown | | Francisco Ugarte, O. Cist. † | Auxiliary Bishop of Zaragoza, Spain |
| Jan | | Orazio Giraldi † | Bishop of Comacchio, Italy |
| 5 Jan | 56.0 | Sebastián Bricianos, O.F.M. † | Bishop of Orense, Spain |
| 16 Jan | 57.8 | Wolf Dietrich von Raitenau † | Archbishop Emeritus of Salzburg, Austria |
| 19 Jan | | Francesco Bennio (de Butrio), O.S.M. † | Bishop of Ravello-Scala, Italy |
| 24 Jan | 47.1 | Felipe Guimerá, O. de M. † | Bishop of Jaca, Spain |
| 29 Jan | 20.1 | Giovanni Battista Civalli, O.F.M. Conv. † | Auxiliary Bishop of Olomouc, Czech Republic |
| 8 Feb | 64.4 | Carlo Broglia † | Archbishop of Torino {Turin}, Italy |
| 9 Mar | | Juan Nicolás Carriazo † | Bishop of Guadix, Spain |
| 28 Mar | | João da Gama † | Bishop of Miranda (de Duero), Portugal |
| May | | Vitalianus Visconti Borromeo † | Titular Archbishop of Hadrianopolis in Haemimonto |
| 3 May | 58.3 | Aleixo de Meneses, O.S.A. † | Archbishop of Braga, Portugal |
| 13 Jun | | Horatius Acquaviva d’Aragona, O. Cist. † | Bishop of Caiazzo, Italy |
| 24 Jun | 50.5 | Bonifazio Caetani † | Cardinal, Archbishop of Taranto, Italy |
| 17 Jul | | Charles de Bourgneuf de Cucé † | Bishop of Nantes, France |
| 8 Aug | | François Rouxel de Médavy † | Bishop of Lisieux, France |
| 1 Sep | 70.7 | Juan Vigil de Quiñones y Labiada † | Bishop of Segovia, Spain |
| 9 Sep | 72.5 | Julius Echter von Mespelbrunn † | Bishop of Würzburg, Germany |
| 2 Oct | | Giovanni Andrea Carga, O.P. † | Bishop of Syros (e Milos), Greece |
| 24 Nov | 76.9 | Taddeo Sarti † | Bishop Emeritus of Nepi e Sutri, Italy |
| 27 Nov | | Andrea Giustiniani, O.P. † | Bishop of Isola, Italy |
| 28 Nov | | Francisco Martínez de Cenicero † | Bishop of Jaén, Spain |
| 17 Dec | | Geoffrey de La Marthonie † | Bishop of Amiens, France |
| 21 Dec | | Lucas Duran, O.S. † | Bishop of Albarracin, Spain |