| Date | Age | Bishop | Title |
| unknown | | Angelo Cesi † | Bishop of Todi, Italy |
| unknown | | João da Costa † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| unknown | | Marco Antonio del Tufo † | Bishop of Mileto, Italy |
| unknown | | Octavianus della Vipera † | Bishop of San Severo, Italy |
| unknown | | François Fléhard † | Bishop of Grenoble, France |
| 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, O.F.M. † | 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 |
| unknown | | Baldassarre Pusterla † | Bishop of Bitetto, France |
| unknown | | Giovanni Sanna † | Bishop of Ampurias e Civita, Italy |
| 20 Jan | 58.1 | Francisco de Ávila † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 9 Feb | | Balthasar Wurer † | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 6 Mar | 55.2 | Zbynék Berka z Dubé a Liepé † | Archbishop of Praha {Prague}, Czech Republic |
| 12 Apr | 68.3 | Diego de Romano y Govea (Vitoria) † | Bishop of Tlaxcala, México |
| 20 Apr | 51.3 | Alfonso Coloma Sa † | Bishop of Cartagena (en España) |
| 26 Apr | | Marcantonio Bizzoni † | Bishop of Foligno, Italy |
| 1 May | 74.3 | Arnaud Sorbin † | Bishop of Nevers, France |
| 18 May | 31.2 | Giovanni Antonio Facchinetti (Jr.) † | Cardinal, Cardinal-Priest of Santi Quattro Coronati |
| 23 May | 68.4 | St. Toribio Alfonso de Mogrovejo † | Archbishop of Lima, Peru |
| 23 May | 75.1 | Agostino Valier (Valeri, Valieri) † | Cardinal, Bishop of Verona, Italy |
| Jun | | Offredo de Offredi † | Bishop of Molfetta, Italy |
| 19 Jun | | Sebastiano Barnaba † | Bishop of Potenza, Italy |
| 5 Jul | | Luis López de Solís, O.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| 28 Jul | 70.6 | Antonio de Raya Navarrete † | Bishop of Cuzco, Peru |
| Aug | | 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 | 64.7 | 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 |
| 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 |