| Date | Age | Bishop | Title |
|---|
| unknown | | Guglielmo Bruno † | Bishop of Andros, Greece |
| unknown | | Francisco Fitzjohn de Córdoba, O.P. † | Bishop of Glendalough, Ireland |
| unknown | 27.0 | Adriano Mascheroni † | Bishop of Sora, Italy |
| unknown | | Antonio Mollo (de Nerlis) † | Bishop of Alba (Pompea), Italy |
| 1 Feb | | Geoffrey Blythe † | Bishop of Coventry and Lichfield, England, Great Britain |
| Mar | | Paolo Zane † | Bishop of Brescia, Italy |
| 13 Mar | 64.1 | Richard Greiffenclau von Vollrads † | Archbishop of Trier, Germany |
| 19 May | 75.3 | Jan Łaski † | Archbishop of Gniezno, Poland |
| 28 May | 52.4 | Balthasar Maerklin † | Bishop of Hildesheim, Germany |
| 31 Aug | | Claude d’Aussonville, O.S.B. † | Bishop of Sisteron, France |
| 13 Sep | | Pierre de Martigny † | Bishop of Bayeux, France |
| 16 Sep | 73.0 | Lorenzo Pucci † | Cardinal, Cardinal-Bishop of Palestrina |
| 19 Sep | | Armand de Gontault † | Bishop Emeritus of Sarlat, France |
| 23 Sep | | Ambroise Le Veneur de Tillières † | Bishop Emeritus of Évreux, France |
| 24 Sep | | François Louis Chantereau, O.S.A. † | Bishop of Mâcon, France |
| 24 Sep | 71.7 | Ambrogio de Fiandino, O.S.A. † | Titular Bishop of Lamus |
| 1 Nov | 63.8 | Altobello de Averoldi † | Bishop of Pula (Pola), Croatia |
| 20 Nov | | Cristobal Muniz, O. Carm. † | Auxiliary Bishop of Lisboa, Portugal |
| 15 Dec | | Niels Clausen Skade † | Bishop Emeritus of Aarhus (Århus), Denmark |
| 28 Dec | | Jean de Poupet de La Chaux, O.S.B. † | Bishop of Chalons-sur-Saône, France |
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