| Date | Age | Bishop | Title |
| unknown | | João da Costa † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| unknown | | Marco Antonio del Tufo † | Bishop of Mileto, Italy |
| unknown | 52.0 | Giovanni Domenico d’Ettore † | Bishop of Ostuni, Italy |
| unknown | | Giuseppe Godoni † | Bishop of Sagone (Sagona), France |
| unknown | 66.0 | Juan Gurrea † | Bishop of Acerra, Italy |
| unknown | | Bartholomeu Lagarto † | Bishop-Elect of São Sebastião do Rio de Janeiro, Brazil |
| unknown | | Pedro de León † | Bishop of Fossano, Italy |
| unknown | | Giulio Cesare Mariconda † | Bishop of Trivento, Italy |
| unknown | | Giovanni Antonio Onorati † | Bishop of Terni, Italy |
| unknown | | Gian Paolo Palenteri, O.F.M. Conv. † | Bishop of Lacedonia, Italy |
| unknown | | Vincenzo Petrolini † | Bishop of Muro Lucano, Italy |
| 13 Jan | | Ottaviano della Vipera † | Bishop of San Severo, Italy |
| 20 Jan | 58.0 | Francisco de Ávila Guzmán † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 9 Feb | 93.1 | Balthasar Wurer † | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 1 Mar | 73.6 | Arnaud Sorbin † | Bishop of Nevers, France |
| 2 Mar | 56.1 | Claude de Morenne † | Bishop of Sées {Séez}, France |
| 6 Mar | 55.1 | Zbynék Berka z Dubé a Liepé † | Archbishop of Praha {Prague}, Czechia |
| 10 Mar | | Jacopo Aldobrandini † | Bishop of Troia, Italy |
| 12 Apr | 68.2 | Diego de Romano y Govea (Vitoria) † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 20 Apr | 51.3 | Alfonso Coloma Sa † | Bishop of Cartagena (en España) |
| 26 Apr | | Marcantonio Bizzoni † | Bishop of Foligno, Italy |
| 18 May | 31.1 | Giovanni Antonio Facchinetti (Jr.) † | Cardinal, Cardinal-Priest of Santi Quattro Coronati |
| 23 May | 68.3 | St. Toribio Alfonso de Mogrovejo † | Archbishop of Lima, Peru |
| 23 May | 75.1 | Agostino Valier (Valeri, Valieri) † | Cardinal, Bishop of Verona, Italy |
| 9 Jun | 53.4 | Martín Ignacio de Loyola, O.F.M. Obs. † | Bishop of Paraguay (o Ssma Assunzione) |
| 19 Jun | | Sebastiano Barnaba † | Bishop of Potenza, Italy |
| 5 Jul | 72.5 | Luis López de Solís, O.E.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| 28 Jul | 70.5 | Antonio de la Raya Navarrete † | Bishop of Cuzco, Peru |
| 30 Jul | | Pablo Laguna † | Bishop of Córdoba, Spain |
| 6 Aug | | Paolo Emilio Giovannini † | Bishop of Montalto (delle Marche), Italy |
| 8 Aug | | Martinho de Ulhoa, O. Cist. † | Bishop Emeritus of São Tomé e Príncipe |
| 27 Aug | 63.7 | Ferdinando Farnese † | Bishop Emeritus of Parma, Italy |
| 28 Aug | 64.6 | Malaquías Asso, O. Cist. † | Bishop of Jaca, Spain |
| Sep | | Aurelio Novarini, O.F.M. Conv. † | Bishop of San Marco (Argentano), Italy |
| 27 Sep | 79.1 | Renaud de Beaune † | Archbishop of Sens, France |
| 28 Sep | | César Alamagna Cardona † | Bishop of Cava (de’ Tirreni), Italy |
| Oct | | Fabritius Cocci † | Bishop of Vulturara e Montecorvino, Italy |
| 4 Oct | | François Fléhard † | Bishop of Grenoble, France |
| 5 Oct | | García de Santa María Mendoza y Zúñiga, O.S.H. † | Archbishop of México, Federal District |
| 11 Oct | | Giulio Cesare Salicini † | Bishop of Rimini, Italy |
| 25 Oct | | Clemente Polito † | Bishop of Grosseto, Italy |
| 29 Oct | 73.8 | Juan Fernández de Rosillo (Rovillo) † | Bishop of Michoacán, México |
| 1 Nov | 72.8 | Bartolomeo Ferratini (Jr.) † | Cardinal, Bishop Emeritus of Amelia, Italy |
| 7 Nov | | Antonio Saraceno † | Bishop of Novigrad (Cittanova), Croatia |
| 30 Nov | 76.9 | Angelo Cesi † | Bishop of Todi, Italy |