| Date | Age | Bishop | Title |
|---|
| unknown | | Fernando del Barco, O. Carm. † | Auxiliary Bishop of Salamanca, Spain |
| unknown | | Agostino Falivenia (Pastineus), O.S. † | Bishop of Ischia, Italy |
| unknown | | Pedro Gau, O.P. † | Auxiliary Bishop of Urgell, Spain |
| unknown | | Alberico Giaquinta (Jacquinti) † | Bishop of Telese o Cerreto Sannita, Italy |
| unknown | | Humbert Iserand, O.S.B. † | Bishop of Glandèves, France |
| unknown | | Giovanni Battisti de Lisulis † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | 44.0 | Giacomo Antonio Lucifero † | Bishop of Umbriatico (Umbriaticum), Italy |
| unknown | | Tranquillo de Macarazzi † | Bishop of Ferentino, Italy |
| unknown | | Ménald de Martory, O.S.A. † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| unknown | | Jean Masson, O. Carm. † | Auxiliary Bishop of Poitiers, France |
| unknown | | Francesco de Noctucis † | Bishop of Oppido Mamertina, Italy |
| unknown | | Miguel de Sanguesa, O. Cist. † | Auxiliary Bishop of Tarazona, Spain |
| unknown | | Girolamo Sigismondi † | Bishop of Patti, Italy |
| unknown | | Bernardino (Jean) de Soria, O.F.M. † | Bishop of Venafro, Italy |
| unknown | | Agostino Steuco, C.R.S.A. † | Bishop of Kisamos (Cisamo), Greece |
| unknown | | Jerónimo del Toro, O.S.A. † | Auxiliary Bishop of Lérida, Spain |
| unknown | 52.0 | Cesare Trivulzio † | Bishop of Como, Italy |
| unknown | | Giovanni Battista Vergerio † | Bishop of Pula (Pola), Croatia |
| 9 Jan | | Peter Stoll, O.P. † | Auxiliary Bishop of Freising, Germany |
| 25 Jan | | Rodrigo Sánchez Mercado † | Bishop of Ávila, Spain |
| 17 Mar | 70.2 | Adrian von Riedmatten (I) † | Bishop of Sion {Sitten}, Switzerland |
| 30 Mar | 63.2 | Agostino Trivulzio † | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro |
| 2 Apr | 72.2 | Gregor Angerer (Langer) † | Bishop of Wiener Neustadt, Austria |
| 20 Apr | | Theodore Petit, O.S.A. † | Auxiliary Bishop of Chalons-sur-Marne, France |
| 20 Apr | | Stanislav Škovránko (Várallyi) † | Bishop of Pécs, Hungary |
| 4 May | 80.3 | Busso von Alvensleben † | Bishop of Havelberg, Germany |
| 3 Jun | 80.4 | Juan de Zumárraga, O.F.M. † | Archbishop of México, Federal District |
| 13 Jun | 60.4 | Johannes von Weeze † | Bishop of Konstanz {Constance}, Germany |
| 11 Jul | 44.1 | Bernardino Elvino † | Bishop of Anglona-Tursi, Italy |
| 24 Jul | | Pankraz von Sinzenhofen † | Bishop of Regensburg, Germany |
| 5 Aug | | Jorge de Melo, O. Cist. † | Bishop of Guarda, Portugal |
| 9 Aug | 44.6 | Pietro Lippomano † | Bishop of Verona, Italy |
| 21 Sep | 65.7 | Gregorio (Giovanni Andrea) Cortese, O.S.B. † | Cardinal, Administrator of Urbino, Italy |
| 21 Sep | | Giovanni Battista Provana † | Bishop of Nice, France |
| 25 Oct | 60.8 | Melchior Fattlin † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 27 Oct | 62.9 | Jan Dantyszek † | Bishop of Warmia (Ermland), Poland |
| 9 Nov | 47.8 | Martín de Calatayud, O.S.H. † | Bishop of Santa Marta, Colombia |
| 21 Nov | | Jerónimo Requeséns † | Bishop of Tortosa, Spain |
| 24 Nov | | Philippe de Cossé-Brissac, O.S.B. † | Bishop of Coutances, France |
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