| Date | Age | Bishop | Title |
| unknown | 60.0 | Martín Aspi Sierra † | Bishop of Palencia, Spain |
| unknown | | Pietro Cartolari † | Bishop of Monte Feltre, Italy |
| unknown | | Alessandro Musotti † | Bishop of Imola, Italy |
| unknown | | Matteo Sanminiato † | Archbishop of Chieti, Italy |
| 10 Mar | | Ascanio Libertano (Libertani) † | Bishop of Cagli, Italy |
| 25 Mar | | Johann Ertlin † | Auxiliary Bishop of Bamberg, Germany |
| 27 Apr | | Francisco Robuster Sala † | Bishop of Vic, Spain |
| 13 May | | Andrés de Casso, O.P. † | Bishop of León, Spain |
| 30 Jun | 68.8 | Cesare Baronio, Orat. † | Cardinal, Cardinal-Priest of Ss. Nereo ed Achilleo |
| 13 Jul | | Gaspare Silingardi † | Bishop of Modena, Italy |
| 31 Jul | 65.6 | Diego Monreal † | Bishop of Huesca, Spain |
| 17 Aug | 64.6 | Anselmo Marzato, O.F.M. Cap. † | Cardinal, Archbishop of Chieti, Italy |
| 21 Aug | | Alfonso Laso Sedeño † | Bishop of Mallorca, Spain |
| 21 Aug | 68.0 | Cesare Speciano (Speciani) † | Bishop of Cremona, Italy |
| 20 Sep | | Sebastián Perea † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 3 Nov | | Tiberio Mandosi † | Bishop of Montalto, Italy |
| 24 Nov | 40.4 | Charles de Lorraine-Vaudémont † | Cardinal, Bishop of Strasbourg, France |