| Date | Age | Bishop | Title |
| unknown | 37.0 | Francesco Bianchi † | Bishop of Sapë, Albania |
| unknown | | Gerolamo Cappello, O.F.M. Conv. † | Bishop of Termoli, Italy |
| unknown | 70.0 | Pietro Colletti † | Bishop of Chiron, Greece |
| unknown | | Ebed-Jesu † | Bishop of Salmas {Shahpour} (Chaldean), Iran |
| unknown | | Pedro Homem Albernaz † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| unknown | 58.0 | Lourenço de Mendonça † | Prelate Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| unknown | | Wacław Paprocki † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| unknown | 63.0 | Stanislaw Starczewski † | Auxiliary Bishop of Płock, Poland |
| unknown | | Nicolas Szyszkowski † | Bishop of Warmia (Ermland), Poland |
| 3 Jan | 65.1 | Rodrigo da Cunha † | Archbishop of Lisboa, Portugal |
| 6 Jan | 66.0 | Luigi Riccio † | Bishop of Vico Equense, Italy |
| 7 Jan | | Francesco Romolo Mileti † | Bishop of Segni, Italy |
| 10 Jan | 77.0 | Consalvo Duranti † | Bishop of Montefeltro, Italy |
| 24 Jan | | Giovanni Battista Carcarasio † | Bishop of Città della Pieve, Italy |
| 4 Feb | 90.0 | Pietro Campori † | Cardinal, Bishop of Cremona, Italy |
| 17 Feb | 52.1 | Sebastiano De Paoli † | Bishop of Nepi e Sutri, Italy |
| Mar | 69.1 | Fulcran de Barrès † | Bishop of Agde, France |
| 31 Mar | 49.2 | Jean de Sponde † | Bishop of Pamiers, France |
| May | 46.3 | Gerolamo Mascambruno † | Bishop of Isernia, Italy |
| May | 60.9 | Antonio Ricciulli † | Archbishop of Cosenza, Italy |
| 7 May | 57.5 | Horatio Annibaldi della Molara † | Bishop of Manfredonia, Italy |
| 18 May | 75.3 | Henri de Sponde † | Bishop Emeritus of Pamiers, France |
| 23 May | 48.3 | Jean-Baptiste Gault, C.O. † | Bishop of Marseille, France |
| 6 Jun | 87.4 | Pietro Francesco Montorio † | Bishop Emeritus of Nicastro, Italy |
| 17 Jun | 82.4 | Eustache Du Lis † | Bishop of Nevers, France |
| 21 Jun | 75.9 | Pedro Apaolaza Ramírez, O.S.B. † | Archbishop of Zaragoza, Spain |
| 22 Jun | 68.4 | Lilio Livioi † | Auxiliary Bishop of Constantinople |
| Jul | 45.5 | Marcjan (Marcin) Florian Tryzno † | Coadjutor Bishop-Elect of Vilnius, Lithuania |
| 30 Jul | 59.5 | Jean Jaubert de Barrault † | Archbishop of Arles, France |
| 7 Aug | 84.2 | Ludovico de Taragni, O.S.B. † | Auxiliary Bishop of Toul, France |
| 4 Sep | | Sebastien de Lodron † | Bishop of Gurk, Austria |
| 12 Sep | | João Coutinho † | Archbishop of Évora, Portugal |
| 29 Sep | 85.3 | Melchor Soria Vera y Diaz † | Auxiliary Bishop of Toledo, Spain |
| 17 Oct | 65.7 | Girolamo Binago, C.O. † | Auxiliary Bishop of Bologna, Italy |
| 17 Oct | | Juan Queipo de Llano y Valdés † | Bishop of Coria, Spain |
| 23 Oct | | Pietro Corsetto † | Bishop of Cefalù, Italy |
| 24 Oct | | Andrés Fernandez de Ipenza † | Bishop-Elect of Yucatán (Mérida), México |
| 1 Nov | 62.8 | Abraham Jan Jacek Śladkowski, O.P. † | Auxiliary Bishop of Chełm, Poland |
| 23 Nov | | Clemente Gera † | Bishop of Lodi, Italy |
| 1 Dec | 51.9 | Johann Christoph von Liechtenstein † | Bishop of Chiemsee, Germany |
| 21 Dec | | Francesco Antonio Biondo, O.F.M. Conv. † | Bishop of Ortona a Mare e Campli, Italy |
| 31 Dec | 51.0 | Ottaviano Raggi † | Cardinal, Bishop of Aleria, France |