| Date | Age | Bishop | Title |
| unknown | | Ubertino Albizi, O.P. † | Bishop of Pistoia, Italy |
| unknown | | Filippo Barile † | Archbishop of Capua, Italy |
| unknown | | Nicolň Bianchi, O.S.B. † | Bishop of Osimo, Italy |
| unknown | | Galgano Bucci † | Bishop of Segni, Italy |
| unknown | | Filippo † | Bishop of Acerra, Italy |
| unknown | | Lorenzo de Gilotto † | Bishop of Pozzuoli, Italy |
| unknown | | Delphin Gozzadini, O. Cist. † | Bishop of Fossombrone, Italy |
| unknown | | William Hadsor † | Bishop of Meath, Ireland |
| unknown | | Arend Klementssřn † | Bishop of Bjřrgvin (Bergen), Norway |
| unknown | | Pierre Le Neveu † | Bishop of Albi, France |
| unknown | | Ludovico † | Bishop of Massa Lubrense, Italy |
| unknown | | László Marczalli † | Bishop of Csanád, Hungary |
| unknown | | Ubertino de Marinis † | Archbishop of Palermo, Italy |
| unknown | | Giacomo Giovanni Martinuzzi † | Bishop of Scardona (Skradin), Croatia |
| unknown | | Nicolň † | Bishop of Pedena, Austria |
| unknown | | Nicolň † | Bishop of Trevico, Italy |
| unknown | | Fernando de Palacios † | Bishop of Lugo, Spain |
| unknown | | Nicola Salma di Candia, O.F.M. † | Bishop of Ario, Greece |
| 5 Jan | | Antonio del Fede, O. Carm. † | Bishop of Sovana (Soana), Italy |
| 8 Feb | | Guillaume Villieni † | Abbot of Saint-Maurice, Switzerland |
| 14 Mar | 50.2 | Alfonso Carrillo de Albornoz † | Cardinal, Administrator of Sigüenza, Spain |
| 9 Apr | | Ardicino della Porta (Sr.) † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| 6 May | | Guillaume de Hottot † | Bishop of Senlis, France |
| 10 Jun | 54.4 | Konrad von Dhaun (Stein) † | Archbishop of Mainz, Germany |
| 27 Jul | | Cornelius O’Dea † | Bishop Emeritus of Limerick, Ireland |
| Aug | | Antonio di Anagni † | Bishop of Todi, Italy |
| 4 Aug | | Kuneš ze Zvole † | Bishop of Olomouc (Olmütz), Czechia |
| 5 Aug | | Amaury de la Motte d’Acigné † | Bishop of Saint-Malo, France |
| 16 Sep | | Juan Martínez de Contreras † | Archbishop of Toledo, Spain |
| 30 Sep | | John Langdon, O.S.B. † | Bishop of Rochester, England, Great Britain |
| Oct | | Giovanni Passeri, O.P. † | Titular Bishop of Samaria |
| Oct | | Alfonso Sanlúcar de Barrameda, O.F.M. † | Titular Bishop of Libariensis |
| 10 Oct | | Antonio Michelotti, O.S.B. † | Bishop of Perugia, Italy |
| 30 Nov | | Johann von Schleinitz † | Bishop Emeritus of Naumburg, Germany |