| Date | Age | Bishop | Title |
| unknown | | Martim Afonso de Melo † | Bishop of Lamego, Portugal |
| unknown | | Andrés Bacallar † | Archbishop of Sassari, Italy |
| unknown | | Decio Caracciolo Rosso † | Archbishop of Bari (-Canosa), Italy |
| unknown | | Fabrizio Degli Afflitti † | Bishop of Boiano, Italy |
| unknown | | Pedro Guerrero † | Bishop of Ugento, Italy |
| unknown | | Diego Soria, O.P. † | Bishop of Nueva Segovia, Philippines |
| unknown | | Christoph Andreas von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 17 Jan | 55.0 | Felipe Marimón † | Bishop of Ampurias e Tempio, Italy |
| 13 Mar | 62.2 | Francisco Terrones del Cańo † | Bishop of León, Spain |
| 31 Mar | | Pedro de Castilho † | Bishop Emeritus of Leiria, Portugal |
| 7 May | 64.3 | Diego Chaves Casas (de Yepes), O.S.H. † | Bishop of Tarazona, Spain |
| 26 May | | Jean Wischer † | Bishop of Ypres (Ieper), Belgium |
| 18 Jul | 70.4 | Pierre de Villars (II) † | Archbishop Emeritus of Vienne, France |
| 20 Jul | 48.8 | Heinrich Julius Herzog von Braunschweig-Lüneburg † | Former Bishop-Elect of Halberstadt, Germany |
| 22 Jul | | Juan de Labrada † | Bishop of Cartagena, Colombia |
| 3 Sep | 60.7 | Wolfgang von Hausen † | Bishop of Regensburg, Germany |
| 29 Oct | | Lope Velasco Valdivieso † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 1 Nov | 61.3 | Flaminio Piatti † | Cardinal, Cardinal-Priest of S. Maria della Pace |
| 4 Nov | 66.8 | Cristóbal Rodríguez Juárez (Suárez), O.P. † | Bishop of Arequipa, Peru |
| 26 Nov | 65.9 | Guillaume de Péricard † | Bishop of Evreux, France |
| 16 Dec | | Antonio Gallart Traginer † | Bishop of Vic, Spain |
| 22 Dec | | Stefano Spínola, C.R. † | Bishop of Ventimiglia, Italy |