| Date | Age | Bishop | Title |
| unknown | | Carlo de Camera † | Bishop of Mondovi, Italy |
| unknown | | Pedro del Campo † | Auxiliary Bishop of Toledo, Spain |
| unknown | | Scipione Dura † | Bishop of Lacedonia, Italy |
| unknown | | Biagio Fabrizio di Cresseno, O.F.M. † | Bishop of Smederevo (Semendria), Serbia |
| unknown | | Berenguer Gombau † | Bishop of Calvi Risorta, Italy |
| unknown | | Giovanni Matteo Lucifero † | Bishop of Crotone (Cotrone), Italy |
| unknown | | Annibale Magalotti † | Bishop of Alessano, Italy |
| unknown | | Coriolamus Martyranus † | Bishop of San Marco (Argentano), Italy |
| unknown | | Fernando de Mudana † | Bishop of Larino, Italy |
| unknown | 73.0 | Friedrich zu Wied † | Former Bishop-Elect of Münster, Germany |
| 30 Jan | 39.1 | Andrea Cornaro † | Cardinal, Bishop of Brescia, Italy |
| 3 Feb | | Georg Neumann † | Auxiliary Bishop of Mainz, Germany |
| Mar | | Ubaldinus Bandinelli † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 5 Mar | | Edmund Butler, O.SS.T. † | Archbishop of Cashel, Ireland |
| 27 Mar | | Johannes Schneider, O.F.M. † | Auxiliary Bishop of Paderborn, Germany |
| 19 Apr | 63.2 | Valentin von Tetleben † | Bishop of Hildesheim, Germany |
| 28 Apr | 51.3 | Jodocus Hoetfilter † | Bishop of Lübeck, Germany |
| 8 May | 64.2 | Johannes von Lupfen † | Former Bishop-Elect of Konstanz {Constance}, Germany |
| 8 Aug | 65.6 | Tomás de Berlanga, O.P. † | Bishop Emeritus of Panamá |
| 14 Sep | | Pellegrino Fabio † | Bishop of Vieste, Italy |
| 26 Oct | | Francisco de Urríes (Verreis) † | Bishop of Urgell, Spain |
| 10 Nov | | Robert Wauchope † | Archbishop of Armagh, Ireland |
| 14 Nov | | Francisco de la Cerda Córdoba, O.P. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 1 Dec | | Gerolamo Isopo, C.R.L. † | Bishop of Montemarano, Italy |
| 17 Dec | 70.0 | Györgi Martinuzzi, O.S.P.P.E. † | Cardinal, Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 28 Dec | | Pedro Gómez Malaver (Maraver) † | Bishop of Guadalajara, Jalisco, México |