| Date | Age | Bishop | Title | 
|---|
| unknown |  | Albert de Belličvre † | Archbishop Emeritus of Lyon, France | 
| unknown | 81.0 | Antonio Calderón de León † | Bishop of Santa Cruz de la Sierra, Bolivia | 
| unknown |  | Tomás Dávalos de Aragón † | Titular Patriarch of Antiochia {Antioch} | 
| unknown |  | Annibale Ginnasi † | Archbishop of Manfredonia, Italy | 
| unknown | 53.0 | Diego Guevara, O.S.A. † | Bishop of Nueva Caceres, Philippines | 
| unknown |  | Simoni Jeçi † | Bishop of Sapë, Albania | 
| unknown |  | Pasquale Padavino, O.S.B. † | Bishop of Arbe (Rab), Croatia | 
| unknown | 66.0 | Giorgio Perpignani † | Bishop of Canea (Cydonia, Egée), Greece | 
| unknown | 54.0 | Marcello Pignatelli, C.R. † | Bishop of Jesi, Italy | 
| unknown | 71.0 | Szymon Rudnicki † | Bishop of Warmia (Ermland), Poland | 
| unknown |  | Alessandro Strozzi † | Archbishop of Fermo, Italy | 
| 4 Jan | 56.0 | Jerzy Zamoyski † | Bishop of Chełm, Poland | 
| 7 Jan | 54.0 | Francisco Pereira, O.S.A. † | Bishop of Miranda (do Douro), Portugal | 
| 9 Jan | 36.0 | Guillaume Fouquet de la Varenne † | Bishop of Angers, France | 
| 28 Jan | 68.3 | Camillo Borghese † | Pope (Roma {Rome}, Italy) | 
| 28 Jan | 71.0 | Jacques de Serres † | Bishop of Le Puy-en-Velay, France | 
| 2 Feb |  | Giambattista Brivio † | Bishop of Cremona, Italy | 
| 10 Feb | 49.8 | Pietro Aldobrandini † | Cardinal, Archbishop of Ravenna, Italy | 
| 12 Feb | 78.1 | Ladislao d’Aquino † | Cardinal, Bishop of Venafro, Italy | 
| 19 Feb | 61.1 | Giacomo Sannesio † | Cardinal, Bishop of Orvieto, Italy | 
| 23 Mar | 59.2 | Ireneo (Francesco) Brasavola, O.F.M. Obs. † | Bishop of Castro [del Lazio], Italy | 
| 27 Mar | 66.8 | Benedetto Giustiniani † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 27 Mar |  | Giulio Cesare Segni † | Bishop Emeritus of Rieti, Italy | 
| 6 Apr |  | Jean de L’Hôtel † | Bishop of Viviers (Aps), France | 
| 22 Apr |  | Cesare Del Pezzo † | Bishop of Valva e Sulmona, Italy | 
| 30 Apr | 30.3 | Domenico Bonzi † | Coadjutor Bishop of Béziers, France | 
| Jun | 45.9 | Pedro Ruiz Valdivieso † | Bishop of Orense, Spain | 
| 13 Jun |  | Juan Zapata Osorio † | Bishop of Zamora, Spain | 
| 18 Jun | 46.4 | Louis III de Guise de Lorraine † | Cardinal, Archbishop-Elect of Reims, France | 
| 4 Jul | 67.5 | Jean de Bonsi † | Cardinal, Bishop of Béziers, France | 
| 12 Jul |  | Agostinho Ribeiro † | Bishop of Angra, Portugal | 
| 13 Jul | 61.6 | Albrecht von Austria (Österreich) † | Former Archbishop-Elect of Toledo, Spain | 
| 14 Jul | 43.5 | Pierre de Donnauld † | Coadjutor Bishop of Mirepoix, France | 
| 3 Aug | 65.4 | Guillaume du Vair † | Bishop of Lisieux, France | 
| 11 Aug | 61.6 | Christophe de L’Estang † | Bishop of Carcassonne, France | 
| 14 Aug | 33.6 | Arthur d’Épinay de Saint Luc † | Bishop of Marseille, France | 
| 24 Aug | 84.6 | Ippolito Fabiani, O.S.A. † | Bishop of Civita Castellana e Orte, Italy | 
| 2 Sep | 61.9 | Claudio Rangoni † | Bishop of Reggio Emilia, Italy | 
| 8 Sep |  | Pedro Carvajal Girón de Loaysa † | Bishop of Coria, Spain | 
| 13 Sep | 56.6 | Pál Almásy † | Bishop of Vác, Hungary | 
| 17 Sep | 78.9 | St. Roberto Francesco Romolo Bellarmino, S.J. † | Cardinal, Archbishop Emeritus of Capua, Italy | 
| Oct |  | Stanisław Udrzycki (Udrycki) † | Auxiliary Bishop of Lutsk (Łuck), Ukraine | 
| 18 Oct | 55.7 | Bartolomeo Cesi (Cesa) † | Cardinal, Bishop of Tivoli, Italy | 
| 24 Oct | 56.8 | Jean Davy du Perron † | Archbishop of Sens, France | 
| Nov |  | Curzio Cocci † | Archbishop of Conza, Italy | 
| 7 Nov | 64.8 | Alfonso Márquez de Prado † | Bishop of Segovia, Spain | 
| 10 Dec | 55.9 | Lodovico Martini † | Bishop of Aosta, Italy | 
| 10 Dec | 64.9 | Diego Torres Altamirano, O.F.M. † | Bishop of Cartagena, Colombia | 
| 15 Dec |  | Giovanni Battista Stella † | Bishop of Bitonto, Italy | 
| 24 Dec |  | Paolo (Pietro Maria) del Lago (Bisnetti), O.F.M. † | Bishop of Trivento, Italy | 
| 30 Dec | 47.9 | Antonio Zara † | Bishop of Pedena, Austria | 
| 31 Dec | 41.9 | Pedro Moncada † | Bishop of Gerona, Spain | 
| 31 Dec |  | Lelio Ruini † | Bishop of Bagnoregio (Bagnorea), Italy |