| Date | Age | Bishop | Title |
| unknown | | Bernardo del Nero, O.P. † | Bishop Emeritus of Bisignano, Italy |
| unknown | | Filippo Gesualdo, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
| unknown | 51.0 | Joannes Albertus de Garzonibus † | Bishop of Canea (Cydonia, Egée), Greece |
| unknown | | Fabio Maranta † | Bishop of Calvi Risorta, Italy |
| unknown | 57.0 | Martino Mira † | Bishop of Cefalù, Italy |
| unknown | | Giovanni Francesco Pozzo † | Bishop of Chiron, Greece |
| unknown | | Archangelus de Rossi, C.R.L. † | Bishop of Carinola (Calina), Italy |
| unknown | | Innico Siscara † | Bishop of Anglona-Tursi, Italy |
| unknown | 39.0 | Lelio Veterano † | Bishop of Fondi (Fundi), Italy |
| unknown | | Pedro de Villarreal † | Bishop of Nicaragua |
| 22 Feb | | François L’Archiver † | Bishop of Rennes, France |
| May | 62.3 | Jean de La Croix de Chevrières † | Bishop of Grenoble, France |
| 20 May | 54.4 | Giovanni dei Gualtieri † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 23 May | | Rodolfo Paleotti † | Bishop of Imola, Italy |
| 14 Jun | 78.5 | Metello Bichi † | Cardinal, Archbishop Emeritus of Siena, Italy |
| 21 Jun | | Sebastián Ocando, O.F.M. † | Bishop of Santa Marta, Colombia |
| 13 Jul | | Benjamin de Brichanteau † | Bishop of Laon, France |
| 30 Jul | | Jerónimo Herrera Salazar † | Bishop of Guadix, Spain |
| 23 Aug | 86.3 | Girolamo Bernardino Pallantieri, O.F.M. Conv. † | Bishop of Bitonto, Italy |
| 29 Aug | 61.7 | Ferdinando Taverna † | Cardinal, Bishop of Novara, Italy |
| Sep | 62.7 | Giovanni Maria Guanzelli, O.P. † | Bishop of Polignano (Polinianum), Italy |
| Sep | | Franciscus Manini † | Bishop of Novigrad (Cittanova), Croatia |
| 13 Sep | | Claudio Rangoni † | Bishop of Piacenza, Italy |
| 20 Sep | 59.7 | Juan (Giovanni) de Espila (Spilla), O.P. † | Archbishop of Acerenza e Matera, Italy |
| Oct | | Giovanni de Clèves, C.R.S.A. † | Titular Bishop of Bethleem |
| 7 Oct | 64.0 | Francesco Vendramin † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 9 Oct | | Girolamo Contarini, O.P. † | Bishop of Capodistria (Capo d'Istria)(Koper), Slovenia |
| 9 Oct | 45.3 | Markus Sittikus von Hohenems † | Archbishop of Salzburg, Austria |
| 16 Oct | 64.8 | Stanisław Sieciński † | Bishop of Przemyśl, Poland |