| Date | Age | Bishop | Title |
|---|
| unknown | | Alessandro Argoli † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Foucault de Bonneval † | Bishop of Périgueux (Vesuna), France |
| unknown | | Carlo Borromeo † | Bishop of Pozzuoli, Italy |
| unknown | | Pellegrino Cibo de Turcilla † | Bishop of Gallipoli, Italy |
| unknown | | Francesco Erulli † | Bishop of Spoleto, Italy |
| unknown | | Jan Latalski † | Archbishop of Gniezno, Poland |
| unknown | | Giuseppe de Montanaris † | Archbishop of Naxos, Greece |
| unknown | | Ludovico Platamone † | Bishop of Siracusa, Italy |
| unknown | | Sixtus Signati † | Bishop of Trevico, Italy |
| unknown | | Stanislav Thurzó † | Bishop of Olomouc (Olmütz), Czech Republic |
| unknown | 46.0 | Leonardo Tornabuoni † | Bishop of Ajaccio, France |
| unknown | | Nicola Volpe † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| unknown | | Jan Wilamowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| unknown | | Bernard Wilczek † | Archbishop of Lviv, Ukraine |
| unknown | | Adrian Zakowski, O.P. † | Auxiliary Bishop of Poznań, Poland |
| 1 Jan | 60.0 | Baltasar del Río † | Bishop of Scala, Italy |
| 14 Jan | | Giacomo Narducci † | Bishop of Urbino, Italy |
| 30 Mar | 72.2 | Matthäus Lang von Wellenburg † | Cardinal, Archbishop of Salzburg, Austria |
| 12 Apr | | Jean Olivier, O.S.B. † | Bishop of Angers, France |
| 16 Apr | 31.0 | Afonso de Portugal † | Cardinal, Archbishop of Lisboa {Lisbon}, Portugal |
| 3 May | | Pedro Flores † | Bishop of Gaeta, Italy |
| 16 Jun | 74.5 | Koenrad von Thüngen † | Bishop of Würzburg, Germany |
| Jul | | Claude de Rohan † | Bishop of Quimper, France |
| 22 Jul | 48.6 | Johann von Metzenhausen † | Archbishop of Trier, Germany |
| 13 Aug | | Anton Braun † | Auxiliary Bishop of Eichstätt, Germany |
| 23 Aug | 47.6 | Charles de Hémard de Denonville † | Cardinal, Bishop of Mâcon, France |
| 28 Aug | | Ugo Rangone † | Bishop of Reggio Emilia, Italy |
| 16 Sep | 21.7 | Enrique de Borja y Aragón † | Cardinal, Bishop of Squillace, Italy |
| 18 Sep | 65.7 | Juan de Witte Hoos (Ubite), O.P. † | Bishop Emeritus of Santiago de Cuba |
| 5 Oct | | Giovanni dei Tagliacozzi † | Bishop of Chioggia, Italy |
| 6 Oct | | Francisco de Mendavia, O.S.H. † | Bishop of Nicaragua |
| 7 Oct | 40.8 | Pedro Fernández Manrique † | Cardinal, Bishop of Córdoba, Spain |
| 7 Oct | | Cristoforo Giacobazzi † | Cardinal, Bishop of Cassano all’Jonio, Italy |
| 5 Nov | 65.8 | Francisco de los Angeles (Enrique) Quiñones, O.F.M. † | Cardinal, Former Administrator of Acerno, Italy |
| 18 Dec | 60.3 | Cesare Riario † | Bishop of Málaga, Spain |
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