| Date | Age | Bishop | Title |
| unknown | 60.0 | Loreto Di Franco (De Franchis) † | Bishop of Minori, Italy |
| unknown | 60.0 | Benedetto Landi † | Bishop Emeritus of Fossombrone, Italy |
| unknown | 63.0 | Orazio Muscettola † | Bishop of Trevico, Italy |
| unknown | 61.0 | Bogusław Radoszewski † | Bishop of Lutsk (Łuck), Ukraine |
| unknown | | Christophorus Tolomei † | Bishop of Sovana (Soana), Italy |
| unknown | | Gabriel de Zarate, O.P. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 1 Jan | | Antonio Brunachio † | Bishop of Conversano, Italy |
| 7 Jan | 69.0 | Sebastiano Ricci † | Bishop of Città della Pieve, Italy |
| 27 Jan | | Hernando de Arias y Ugarte † | Archbishop of Lima, Peru |
| 27 Jan | | Ascanio Gesualdo † | Archbishop of Bari (-Canosa), Italy |
| 9 Feb | 73.1 | Gutiérrez Bernardo de Quirós (Quiróz) † | Bishop of Tlaxcala, México |
| Mar | 65.2 | Paolo Cajatia † | Bishop of Ariano, Italy |
| Apr | 53.3 | Alessandro (Fabrizio) Suardi † | Bishop of Caserta, Italy |
| 1 Apr | | Annibale D’Afflitto † | Archbishop of Reggio Calabria, Italy |
| 18 Apr | | Luis García Rodríguez † | Bishop of Astorga, Spain |
| May | | Matteo Granito † | Archbishop of Amalfi, Italy |
| 6 May | 53.3 | Cornelius Janssen † | Bishop of Ypres (Ieper), Belgium |
| 11 May | | Giambattista Visconti, O.S.A. † | Bishop of Teramo, Italy |
| 16 May | 52.5 | Hildebrand Jost † | Bishop of Sion {Sitten}, Switzerland |
| 23 May | 61.4 | Ludovicus Galbiati † | Bishop of Acerno, Italy |
| 27 May | 63.4 | Jan Wężyk † | Archbishop of Gniezno, Poland |
| 9 Jun | | Ambrosio de Córdoba, O.P. † | Bishop of Tropea, Italy |
| 15 Jun | | Apollinaris de Almeida, S.J. † | Coadjutor Patriarch of Ethiopia |
| 21 Jun | 78.5 | Roland Hébert † | Archbishop of Bourges, France |
| 22 Jun | | Krzysztof Charbicki † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 19 Jul | 42.5 | Ippolito Aldobrandini (Jr.) † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| Aug | 32.6 | Marco Antonio Mandosio † | Bishop of Nicastro, Italy |
| 25 Aug | | Gaspar Gil y Miravete de Blancas † | Bishop of Vic, Spain |
| Sep | 36.7 | Giulio Diotallevi † | Bishop of Strongoli, Italy |
| 11 Sep | | Juan de la Torre Ayala † | Bishop of Zamora, Spain |
| 19 Sep | | Lodovico Cinci † | Bishop of Todi, Italy |
| 25 Sep | 67.7 | Gereon Otto von Gutmann zu Sobernheim † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 28 Sep | 58.7 | Giulio Antonio Santoro † | Archbishop of Cosenza, Italy |
| 4 Nov | 55.8 | Giovanni Francesco Gandolfo † | Bishop of Alba (Pompea), Italy |
| 9 Nov | 70.9 | Fernando de Vera y Zuñiga, O.S.A. † | Bishop of Cuzco, Peru |
| 11 Nov | | Philibert du Sault † | Bishop of Acqs (Dax), France |
| 19 Nov | 63.4 | Lelio Biscia † | Cardinal, Cardinal-Priest of Santa Maria del Popolo |
| 20 Dec | | Juan Bautista Pellicer † | Bishop of Segorbe, Spain |
| 25 Dec | | Giovanni Michele Rossi, O. Carm. † | Bishop of Alife, Italy |