| Date | Age | Bishop | Title |
| unknown | | Gabriel de Clermont † | Bishop of Gap, France |
| unknown | | Antonio Giustiniani, O.P. † | Bishop of Lipari, Italy |
| unknown | | Timoteo Giustiniani † | Bishop of Strongoli, Italy |
| unknown | | Marco Lauro, O.P. † | Bishop of Satriano e Campagna, Italy |
| unknown | | Filippo Riccabella † | Bishop of Recanati, Italy |
| unknown | | Diego Sarmiento Sotomayor † | Bishop of Astorga, Spain |
| unknown | | Jorge Temudo, O.P. † | Archbishop of Goa, India |
| unknown | | Juan Vázquez Coronado de Sayás † | Bishop of Acerra, Italy |
| 2 Jan | 64.0 | Gaspar Zúñiga Avellaneda † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 21 Jan | | Agostino Baglione † | Bishop of Alessandria (della Paglia), Italy |
| 1 Feb | | Pedro Castellet † | Bishop of Urgell, Spain |
| 10 Feb | | Fernando de Villagómez † | Bishop of Tlaxcala, México |
| 11 Feb | | Giulio Pavesi, O.P. † | Archbishop of Sorrento, Italy |
| 25 Mar | 52.2 | Carlo Grassi † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 13 Apr | 53.8 | Odet de Coligny de Châtillon † | |
| 13 Apr | | Stanisław Żelisławski, O. Cist. † | Bishop of Chelmno (Culma, Kulm), Poland |
| 15 Apr | 69.3 | Juan de Muñatones, O.S.A. † | Bishop of Segorbe-Albarracin, Spain |
| 20 Apr | | Francisco del Toral, O.F.M. † | Bishop of Yucatán (Mérida), México |
| 20 Jun | | Nicolaus Bertholdi † | Bishop of Hierapetra, Greece |
| 26 Jul | | Fernando de Barrionuevo, O.F.M. † | Bishop of Santiago de Chile |
| 30 Jul | | Francisco Briceño † | Bishop of Almería, Spain |
| 8 Aug | | Pompeo Zambeccari † | Bishop of Valva, Italy |
| 7 Sep | | Giovanni Antonio Locatelli † | Bishop of Venosa, Italy |
| 10 Nov | 63.9 | Jérôme Souchier, O. Cist. † | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 27 Nov | | Alvaro Magelanes † | Bishop of San Leone, Italy |
| 14 Dec | 48.0 | Lorenzo Strozzi † | Cardinal, Archbishop of Aix, France |