| Date | Age | Bishop | Title |
| unknown | | Iñigo de Avalos † | Bishop of Ischia, Italy |
| unknown | | João Coutinho † | Bishop of Lamego, Portugal |
| unknown | | Gerolamo de Franchis † | Archbishop of Capua, Italy |
| unknown | 57.0 | Jean-François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| unknown | | Paolo Emilio Santoro (Santorio) † | Archbishop of Urbino, Italy |
| unknown | | João de Valadares † | Bishop of Porto, Portugal |
| 19 Jan | | Jodok Wagenhauer † | Auxiliary Bishop of Würzburg, Germany |
| Feb | | Domenico de' Marini † | Archbishop of Genova, Italy |
| 27 Mar | 79.7 | Pedro Ginés Casanova † | Bishop of Segorbe, Spain |
| 22 Apr | 54.3 | Roberto Ubaldini † | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 27 Apr | 84.6 | Antonio Zapata y Cisneros † | Cardinal, Archbishop of Burgos, Spain |
| 17 May | 72.4 | Diego Vela Becerril † | Bishop of Tui, Spain |
| 12 Jul | 58.5 | Agostino Oreggi (Oregius) † | Cardinal, Archbishop of Benevento, Italy |
| 16 Jul | | Francisco Romero, O. Carm. † | Bishop of Vigevano, Italy |
| 25 Jul | | Fabrizio Antinoro † | Bishop of Siracusa, Italy |
| 16 Aug | 51.6 | Juan Arauz Díaz, O.F.M. † | Bishop of Guadix, Spain |
| 10 Sep | | Vincenzo Martinelli, O.P. † | Bishop of Venafro, Italy |
| 16 Sep | 70.3 | Juan Roco Campofrío, O.S.B. † | Bishop of Coria, Spain |
| 29 Oct | | Ambrosio Vallejo Mejía, O. Carm. † | Bishop of Trujillo, Peru |
| 7 Nov | | Pedro Miguel Valsorga † | Coadjutor Bishop of Huesca, Spain |
| 11 Nov | 64.9 | Paul Boudot † | Bishop of Arras, France |