| Date | Age | Bishop | Title |
|---|
| unknown | | Giorgio Artea † | Bishop of Ampurias e Civita, Italy |
| unknown | | Juan Canuti † | Bishop of Cariati e Cerenzia, Italy |
| unknown | | James Chisholm † | Bishop Emeritus of Dunblane, Scotland, Great Britain |
| unknown | | Francesco della Rovere † | Archbishop Emeritus of Benevento, Italy |
| unknown | | Giacomo Fieschi † | Bishop-Elect of Savona, Italy |
| unknown | | Cherubino Gaetano † | Bishop of Satriano e Campagna, Italy |
| unknown | | Costantino Giustianiani, O.P. † | Bishop of Ceos and Thermia, Greece |
| unknown | | Louis Huillart, O. Cist. † | Auxiliary Bishop of Périgueux (Vesuna), France |
| unknown | | Giovanni Leclerc † | Bishop of Macerata, Italy |
| unknown | | Gaspar Antonio del Monte † | Bishop of Civitate (Città or Civita), Italy |
| unknown | | Chérubin d’Orsière † | Bishop of Digne, France |
| unknown | 56.0 | Jean Reff † | Bishop Emeritus of Oslo, Norway |
| unknown | | Giovanni Matteo Sartori † | Bishop of Volterra, Italy |
| unknown | | Francisco de Solís Quiñones y Montenegro, O.S. † | Bishop of Bagnoregio (Bagnorea), Italy |
| unknown | | Filippo Strozzi, O.P. † | Archbishop Emeritus of Sorrento, Italy |
| unknown | | Panfilo Strassoldo † | Archbishop of Dubrovnik (Ragusa), Croatia |
| unknown | | Valeriano Tartarini † | Bishop of Alatri, Italy |
| 19 Jan | 65.0 | Alonso Ruiz de Virués, O.S.B. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 18 Feb | | Johann Kluspeck, O. Cist. † | Auxiliary Bishop of Regensburg, Germany |
| Mar | 41.1 | Pablo Gil de Talavera † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 3 Apr | 65.2 | Antonio Guevara Noroña, O.F.M. Obs. † | Bishop of Mondoñedo, Spain |
| 17 Apr | 66.2 | William Stewart † | Bishop of Aberdeen, Scotland, Great Britain |
| 3 May | 79.3 | Pedro de Ponte, O.SS.T. † | Auxiliary Bishop of Valencia, Spain |
| 11 May | 72.3 | Pietro Paolo Parisio † | Cardinal, Bishop of Nusco, Italy |
| 1 Aug | 73.1 | Juan Pardo de Tavera † | Cardinal, Archbishop of Toledo, Spain |
| 27 Aug | 58.6 | Piotr Gamrat † | Archbishop of Gniezno, Poland |
| 4 Sep | 60.6 | Johann Thiel, O. Praem. † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 18 Sep | | Jerónimo Suárez Maldonado † | Bishop of Badajoz, Spain |
| 24 Sep | 55.2 | Albrecht von Brandenburg † | Cardinal, Archbishop of Mainz, Germany |
| 2 Nov | 60.8 | Gaspar Ávalos de la Cueva † | Cardinal, Archbishop of Santiago de Compostela, Spain |
| 4 Nov | | Rodrigo Mendoza Manrique † | Bishop of Salamanca, Spain |
| 17 Nov | | Jean de Narbonne, O.S.B. † | Bishop of Béziers, France |
| 27 Nov | | Odoardo Cicala † | Bishop of Sagone (Sagona), France |
| 30 Nov | | Robert Cairncross, O.S.A. † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| 4 Dec | | Vincenzo Durante † | Bishop of Orvieto, Italy |
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