| Date | Age | Bishop | Title |
| unknown | 42.0 | Jean-François de la Trémoille † | Cardinal, Archbishop of Auch, France |
| unknown | | Francesco Ferrari † | Bishop of Modena, Italy |
| unknown | | Bernardino Gambería (de Benasque) † | Bishop of Cavaillon, France |
| unknown | | Roger Leyburn † | Bishop of Carlisle, England, Great Britain |
| unknown | | Martino de Maggio (Madio da Tramonti) † | Bishop of Bisceglie, Italy |
| unknown | | Francesco Nomicisi † | Bishop of Lesina, Italy |
| unknown | | Giacomo Piscicelli † | Bishop of Lecce, Italy |
| unknown | | Hermann von Rethem, O.P. † | Auxiliary Bishop of Bremen (and Hamberg), Germany |
| 10 Jan | 64.0 | Pietro Barozzi † | Bishop of Padova {Padua}, Italy |
| 30 Jan | | Juan Ruiz de Medina † | Bishop of Segovia, Spain |
| 12 Mar | 31.5 | César de Borja † | Former Archbishop-Elect of Valencia, Spain |
| 24 Mar | 76.2 | Johann Kerer † | Auxiliary Bishop Emeritus of Augsburg, Germany |
| 27 Mar | | Wojciech Tabo † | Bishop of Vilnius, Lithuania |
| 19 Apr | 45.5 | Ruprecht Pfalzgraf Simmer von Bayern de Rhein † | Bishop of Regensburg, Germany |
| 4 May | 53.4 | Juan de Vera † | Cardinal, Archbishop of Salerno, Italy |
| 14 May | | Hernando de Talavera, O.S.H. † | Archbishop of Granada, Spain |
| 22 May | | Joachim Bredow, O. Praem. † | Bishop of Brandenburg, Germany |
| Jul | | Johannes Bodenhoffer, O.P. † | Auxiliary Bishop of Merseburg, Germany |
| 5 Aug | | Nicolò Maria d’Este † | Bishop of Adria, Italy |
| 8 Aug | | Juan Gálvez † | Bishop of Terracina, Priverno e Sezze, Italy |
| 1 Sep | 73.7 | Girolamo Basso Della Rovere † | Cardinal, Bishop of Macerata, Italy |
| 3 Sep | 44.7 | Thomas Savage † | Archbishop of York, England, Great Britain |
| 10 Sep | 66.7 | Antonio Pallavicini Gentili † | Cardinal, Bishop of Orense, Spain |
| 11 Sep | 36.7 | Galeotto Franciotti della Rovere † | Cardinal, Bishop of Lucca, Italy |