| Date | Age | Bishop | Title |
|---|
| unknown | | Giovanni Argentino † | Bishop of Concordia (Sagittaria), Italy |
| unknown | 70.0 | Niccolň Bonafede † | Bishop of Chiusi, Italy |
| unknown | | Antonio Bonsi † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Diego de Sylva, O.M. † | Bishop of Ceuta, Spain |
| unknown | | Benedetto Giustiniani † | Bishop of Chios (Scio), Greece |
| unknown | | Jerzy Gizyki (Talat) † | Bishop of Kyiv (Kijów), Ukraine |
| unknown | | Leonardo Levato † | Bishop of Belcastro, Italy |
| unknown | 34.0 | Giovanni Dionisio Maccafani † | Bishop of Marsi, Italy |
| unknown | | László de Macedonia † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| unknown | | Johannes Pettendorfer † | Auxiliary Bishop Emeritus of Augsburg, Germany |
| unknown | | Mauro de Pretis † | Bishop of Telese o Cerreto Sannita, Italy |
| unknown | | Niels Stygge, O.P. † | Bishop Emeritus of Börglum (Aalborg), Denmark |
| 2 Jan | 52.0 | Girolamo Schio † | Bishop of Vaison, France |
| 5 Jan | | Giuliano Visconti † | Bishop-Elect of Alba (Pompea), Italy |
| 10 Jan | | Pedro Jordán de Urríes, O.S.B. † | Bishop of Urgell, Spain |
| Mar | | Jean de Nicolai † | Bishop of Apt, France |
| 19 Apr | 75.2 | Reinhard von Rüppurr (Rippur) † | Bishop Emeritus of Worms, Germany |
| 28 Apr | | Nicholas West † | Bishop of Ely, England, Great Britain |
| Jun | | Thomas Skirvington † | Bishop of Bangor, Wales, Great Britain |
| 1 Jun | | Thomas Vivian, O.S.A. † | Auxiliary Bishop of Exeter, England, Great Britain |
| 17 Jun | | Daniel Tayspiel, O.P. † | Auxiliary Bishop of Thérouanne, France |
| Aug | | Matthew O’Brian † | Bishop of Kilmacduagh, Ireland |
| Sep | | Nicola Regitano † | Bishop of Nicastro, Italy |
| 20 Sep | 72.7 | Antonio Maria Ciocchi del Monte † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 24 Sep | 49.7 | Jean d’Orléans-Longueville † | Cardinal, Archbishop of Toulouse, France |
| Oct | | Jacques de Larmandie, O.S.B. † | Bishop of Sarlat, France |
| 10 Dec | 78.9 | Gabriele Mascioli Foschi, O.E.S.A. † | Archbishop of Durrës (Durazzo), Albania |
| 18 Dec | | Alfonso de Tobes † | Priest |
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