| Date | Age | Bishop | Title |
| unknown | | Marco Antonio Bozzuto † | Archbishop of Amalfi, Italy |
| unknown | | Rodrigo de Bastidas y Rodriguez de Romera † | Bishop Emeritus of Puerto Rico (Porto Rico) |
| unknown | | Ventura Buralini † | Bishop of Massa Marittima, Italy |
| unknown | | Pietro Antonio Casamassima † | Bishop of Polignano (Polinianum), Italy |
| unknown | | Nicolo Cicala † | Bishop Emeritus of Accia and Mariana, France |
| unknown | 35.0 | Francesco Contarini (Contareno) † | Bishop of Paphos, Cyprus |
| unknown | | Vincenzo Durante † | Bishop Emeritus of Termoli, Italy |
| unknown | 58.0 | Pedro de Labrit (d’Albret) † | Bishop of (Saint-Bernard de) Comminges, France |
| unknown | | Girolamo Leone † | Bishop of Accia and Mariana, France |
| unknown | | Giulo Sauli † | Bishop of Brugnato, Italy |
| unknown | | Juan Segría (Cengria) † | Archbishop of Palermo, Italy |
| unknown | | Juan Simancas Simancas † | Bishop of Cartagena, Colombia |
| unknown | | Ercole Tambosi † | Bishop of Ravello, Italy |
| unknown | 70.0 | Thomas Thirlby † | Bishop Emeritus of Ely, England, Great Britain |
| unknown | | Giovanni Maria Valdina, O.P. † | Bishop of Acerno, Italy |
| unknown | | Urbano Vigerio della Rovere † | Bishop of Senigallia, Italy |
| 25 Jan | 57.1 | Philibert Babou de La Bourdaisière † | Cardinal, Bishop Emeritus of Angoulême, France |
| 13 Feb | 70.1 | Julião de Alva † | Bishop Emeritus of Miranda (do Douro), Portugal |
| 25 Feb | | Daniele Barboli, O.P. † | Bishop of Pedena, Austria |
| 25 Mar | | Leonhard Haller † | Auxiliary Bishop of Eichstätt, Germany |
| Apr | | Muzio Calini † | Bishop of Terni, Italy |
| 8 Apr | 59.8 | Giovanni Battista Cicala (Cicada) † | Cardinal, Cardinal-Bishop of Sabina |
| 18 Apr | | Ambrogio Aldegati, O.P. † | Bishop of Casale Monferrato, Italy |
| 13 May | | Antonio Corrionero de Babilafuente † | Bishop of Almería, Spain |
| 3 Jun | 48.4 | Luigi Pisani † | Cardinal, Bishop of Padova {Padua}, Italy |
| 28 Jun | 76.5 | Francesco Pisani † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 20 Aug | | Nuno Álvares Pereira † | Bishop of Angra, Portugal |
| 28 Aug | | Maximilien de Berghes † | Archbishop of Cambrai, France |
| 29 Aug | 55.7 | Antoine Caracciolo, C.R.S.A. † | Bishop Emeritus of Troyes, France |
| Sep | 48.7 | Giovanni Carlo Bovio † | Archbishop of Brindisi, Italy |
| Oct | | Filippo Fasio Capponi † | Bishop of Lettere (-Gragnano), Italy |
| 7 Oct | | Antonio Luján Luján, O.F.M. † | Bishop of Mondoñedo, Spain |
| 13 Nov | 60.1 | Guillermo Casador † | Bishop of Barcelona, Spain |
| Dec | 71.9 | Domingo de Santo Tomás, O.P. † | Bishop of La Plata o Charcas, Bolivia |
| 11 Dec | | Friedrich Lichtenauer † | Auxiliary Bishop of Bamberg, Germany |