| Date | Age | Bishop | Title |
| unknown | | Antonio Alberici † | Bishop of Nepi e Sutri, Italy |
| unknown | | Johannes Burckardt † | Bishop of Civita Castellana e Orte, Italy |
| unknown | | Giacomo Carduini † | Bishop of Lipari, Italy |
| unknown | | Berenguer de Pau † | Bishop of Gerona, Spain |
| unknown | | Matthias Kanuti, O.S.B. † | Auxiliary Bishop of Halberstadt, Germany |
| unknown | | Martino de Lignano, O.P. † | Bishop of Cariati e Cerenzia, Italy |
| unknown | | Diego Meléndez de Valdés † | Bishop of Zamora, Spain |
| unknown | | André de Poupet † | Bishop Emeritus of Chalons-sur-Saône, France |
| unknown | | Jacopo Scannapecora † | Bishop of Massa Lubrense, Italy |
| unknown | | Guglielmo de Speluncata, O.F.M. † | Bishop Emeritus of Sagone (Sagona), France |
| unknown | | Gasparre Toraldo † | Bishop of Polignano (Polinianum), Italy |
| Jan | | Troilo Baglioni † | Bishop Emeritus of Perugia, Italy |
| 6 Jan | | Bernardino de Leis † | Bishop of Cagli, Italy |
| 17 Jan | | François de Brillac † | Archbishop of Aix, France |
| 5 May | | Jean Allardeau † | Bishop Emeritus of Marseille, France |
| 22 Jul | 36.6 | Francisco Lloris y de Borja † | Cardinal, Archbishop of Trani, Italy |
| 13 Aug | | Paolo Odierna † | Bishop of Gaeta, Italy |
| 16 Aug | 64.6 | Dietrich Arndes † | Bishop of Lübeck, Germany |
| 19 Aug | | Leonello Chiericato † | Bishop of Concordia (Sagittaria), Italy |
| 29 Sep | 75.5 | Juan de Castro † | Cardinal, Bishop of Agrigento (Girgenti), Italy |
| 23 Oct | | Giacomo de Luciis † | Bishop of Caiazzo, Italy |
| 29 Nov | | Guillaume Guégen † | Bishop of Nantes, France |