| Date | Age | Bishop | Title |
| unknown | | Miguel Jerónimo de Ballesteros (Vallesteros) † | Bishop of Coro, Venezuela |
| unknown | | Achille Grassi † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| unknown | | Marco Salvidi † | Bishop of San Leone, Italy |
| unknown | | Jean-Simon Sulaka † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 1 Feb | 70.1 | František Ujlaky † | Bishop of Eger, Hungary |
| 18 Mar | | Isidoro Clario, O.S.B. † | Bishop of Foligno, Italy |
| 18 Mar | 47.0 | Sebastian von Heusenstamm † | Archbishop of Mainz, Germany |
| 23 Mar | 67.5 | Giovanni Maria Ciocchi del Monte † | Pope (Roma {Rome}, Italy) |
| 6 Apr | 69.5 | Giovanni Angelo Arcimboldi † | Archbishop of Milano {Milan}, Italy |
| 27 Apr | 53.3 | Nikolaus von Carlowitz † | Bishop of Meißen (Meissen), Germany |
| 1 May | 54.0 | Marcello Cervini † | Pope (Roma {Rome}, Italy) |
| 16 Jun | | Johann Horneburg † | Bishop of Lebus, Germany |
| 27 Jun | | Balthasar de Jarente † | Archbishop of Embrun, France |
| 18 Jul | | Waclaw Wierzbicki † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 4 Sep | | Paweł Algimunt Holszański † | Bishop of Vilnius, Lithuania |
| 8 Sep | 69.7 | St. Tomás de Villanueva, O.S.A. † | Archbishop of Valencia, Spain |
| 10 Sep | 65.2 | Juan Lopez de Zárate † | Bishop of Antequera, Oaxaca, México |
| 12 Sep | 62.7 | Juan Salazar Fernández † | Bishop of Lanciano, Italy |
| 24 Sep | 50.7 | Pedro Acuña Avellaneda † | Bishop of Salamanca, Spain |
| 6 Oct | | Mario Aligeri † | Bishop of Rieti, Italy |
| 10 Oct | 58.8 | Girolamo Verallo † | Cardinal, Archbishop Emeritus of Rossano, Italy |
| 12 Nov | 58.9 | Stephen Gardiner † | Bishop of Winchester, England, Great Britain |
| 5 Dec | 41.9 | Wolfgang von Salm † | Bishop of Passau, Germany |
| 27 Dec | | Onofrio Bartolini de’ Medici † | Archbishop of Pisa, Italy |