| Date | Age | Bishop | Title |
| unknown | 62.1 | Baltasar Bastero Lladó † | Bishop Emeritus of Gerona, Spain |
| unknown | 62.1 | Francesco Girolamo Bona † | Bishop Emeritus of Trebinje e Mrkan, Bosnia and Herzegovina |
| unknown | 43.0 | Paulus Campsi † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| unknown | | Sylvester Lloyd, O.F.M. † | Bishop of Waterford and Lismore, Ireland |
| unknown | 55.6 | Nicola Stanislavich, O.F.M. † | Bishop of Csanád, Hungary |
| 17 Jan | 62.6 | José Cepeda † | Bishop of Mallorca, Spain |
| 17 Jan | 65.0 | José Francisco Magdaleno † | Bishop of Coria, Spain |
| 23 Jan | 63.8 | Bernard-Antoine Pizzella † | Titular Bishop of Constantia in Arabia |
| 11 Feb | 82.0 | Vincenzo Bichi † | Cardinal, Cardinal-Bishop of Frascati |
| 14 Feb | | Jean-Georges de Souillac † | Bishop of Lodève, France |
| 20 Feb | 52.4 | Francisco Cuartero Lumbreras † | Bishop of Segorbe, Spain |
| 20 Feb | 61.8 | Giovanni Rossi, C.R. † | Archbishop of Taranto, Italy |
| 15 Mar | 74.2 | Dionysio Modinò † | Archbishop of Milos (Melos), Greece |
| 21 Mar | 56.3 | Francesco de Santa Rosa de Viterbo, O.F.M. † | Bishop of Nanking [Nanjing], China |
| 6 Apr | | Joannes Bapt. Maria a S. Theresia, O.C.D. † | Titular Bishop of Limyra |
| 22 May | 61.3 | Nicolaus (Arcangelo) Bianchini, O.C.D. † | Bishop of Sovana (Soana), Italy |
| 22 May | 81.4 | Matthew Pritchard, O.F.M. † | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| 22 May | | Matthaeus Prichard, O.F.M.Recoll. † | Titular Bishop of Myrina |
| Jun | 65.7 | Benedetto De Luca † | Bishop of Treviso, Italy |
| 10 Jun | 74.4 | Nicola Preti Castriota † | Bishop Emeritus of Vieste, Italy |
| 19 Jun | 59.6 | Pietro Maria Suárez † | Bishop of Adria, Italy |
| Jul | | Juan B. Taborga y Durana (Tabarga) † | Bishop of Panamá |
| 2 Aug | 66.6 | Louis-Jacques Chapt de Rastignac † | Archbishop of Tours, France |
| 29 Aug | 66.2 | Kasimir Anton von Sickingen † | Bishop of Konstanz {Constance}, Germany |
| 5 Sep | 74.7 | Juan Domingo Manzano Carvajal † | Bishop of Jaca, Spain |
| 15 Sep | 63.6 | Johann Gottfried Groß von Trockau † | Auxiliary Bishop of Eichstätt, Germany |
| 19 Sep | 66.2 | Pedro de la Cuadra Achica † | Archbishop of Burgos, Spain |
| 30 Sep | 50.7 | Manuel Muñoz Guil † | Bishop of Vic, Spain |
| Oct | 64.8 | Antonio Maturi, O.F.M. † | Bishop of Syros (e Milos), Greece |
| 20 Oct | 60.4 | José Cayetano Paravicino, O.F.M. † | Bishop of Trujillo, Peru |
| 9 Nov | 73.3 | Matthaeus Bertolini † | Archbishop of Sassari, Italy |
| 3 Dec | 86.0 | Nuno da Cunha e Ataíde † | Cardinal, Cardinal-Priest of Sant’Anastasia |