| Date | Age | Bishop | Title |
| unknown | 57.0 | Giovanni Battista Acquaviva † | Bishop of Nardò, Italy |
| unknown | | Oswald Fischer (Arnsperger) † | Auxiliary Bishop of Freising, Germany |
| unknown | 47.0 | Germanico Bandini † | Coadjutor Archbishop of Siena, Italy |
| unknown | 64.0 | Camillo Campeggi, O.P. † | Bishop of Nepi e Sutri, Italy |
| unknown | | Gaspare Capris † | Bishop of Asti, Italy |
| unknown | | Marcello Dentice † | Bishop of Termoli, Italy |
| unknown | | Giacomo Framarini † | Bishop Emeritus of Polignano (Polinianum), Italy |
| unknown | | Francesco Guerini † | Bishop of Imola, Italy |
| unknown | 55.0 | Jean des Monstiers de Froissac (Dufresne de Moustiers) † | Bishop Emeritus of Bayonne, France |
| unknown | | Hugh O’Cervallen † | Bishop Emeritus of Clogher, Ireland |
| unknown | | Mateo Pinello † | Bishop of Cuzco, Peru |
| unknown | | Dionizy Secygniowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| unknown | | Jean Paul de Selve † | Bishop of Saint-Flour, France |
| unknown | 48.0 | Guglielmo Tuttavilla † | Bishop of Sarno, Italy |
| 17 Jan | | Pierre de Barrault † | Bishop of Lodève, France |
| 28 Jan | 53.2 | Gianantonio Capizucchi † | Cardinal, Bishop of Lodi, Italy |
| 2 Feb | | Lodovico (Luigi) Ardinghelli † | Bishop of Fossombrone, Italy |
| 12 Feb | 73.1 | Juan de los Barrios, O.F.M. Obs. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 12 Mar | | Jorge de Coimbra † | Bishop of Ceuta, Spain |
| 28 Mar | | Bernard d’Elbène † | Bishop of Nîmes, France |
| 28 Mar | | Giambattista Grossi † | Bishop of Reggio Emilia, Italy |
| 24 Apr | 66.5 | Giacomo Nacchianti, O.P. † | Bishop of Chioggia, Italy |
| 24 May | | Juan Ayora † | Bishop of Oviedo, Spain |
| 18 Jun | | Leonhard de Sittard (Zittardus), O.P. † | Auxiliary Bishop of Mainz, Germany |
| Aug | | Bernardino de Villalpando, C.R.S.A. † | Bishop of Santiago de Guatemala |
| 7 Aug | 69.5 | Pepin de Rosa, O.P. † | Auxiliary Bishop of Mechelen, Belgium |
| 25 Aug | | Robert de Gontaut-Biron † | Bishop of Condom, France |
| 29 Aug | 64.6 | François Bohier † | Bishop of Saint-Malo, France |
| 5 Sep | 69.6 | Edmund Bonner † | Bishop Emeritus of London, England, Great Britain |
| 10 Sep | | Gilbert Bourne † | Bishop of Bath and Wells, England, Great Britain |
| 19 Sep | 66.7 | Pedro de Ayala, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
| 23 Sep | | Ettore Piscicelli † | Archbishop of Lanciano, Italy |
| 29 Sep | | Luigi Suppa, O.P. † | Bishop of Agrigento (Girgenti), Italy |
| 11 Oct | | Ambrogio Monticoli † | Bishop of Segni, Italy |