Day | Saints | Country | Year |
| October 21 |
| Saint Ursula, layperson |  Germany | 383 |
| Saint Alodia, layperson |  Spain | 851 |
| Saint Nunilo, layperson | Spain | 851 |
| Blessed Guglielmo della Torre, bishop |  Italy | 1226 |
| Blessed Sancho de Aragón, archbishop | Spain | 1275 |
| Blessed Pietro Capucci, priest | Italy | 1445 |
| Blessed Iulianus Nakaura (ジュリアン 中浦), priest |  Japan | 1633 |
| Saint Petrus Yu Tae-ch’ŏl (유대철 베드로 / 劉大喆), layperson |  South Korea | 1839 |
| Blessed Genaro Fueyo Castañón, priest | Spain | 1936 |
| Blessed Isidro Fernández Cordero, layperson | Spain | 1936 |
| Blessed Segundo Alonso González, layperson | Spain | 1936 |
| Saint Laura de Santa Catalina de Siena (Laura de Jesús Montoya y Upegui), religious |  Colombia | 1949 |
| October 22 |
| Saint Euchaire, bishop |  France | 362 |
| Saint Theodoret of Antioch, priest |  Turkiye | 362 |
| Saint Valère de Langres, deacon | France | 411 |
| Saint Bertario, abbot | Italy | 883 |
| Blessed Ambrosio León (Pedro Lorente Vicente), religious | Spain | 1936 |
| Blessed Estanislao García Obeso, priest | Spain | 1936 |
| Blessed Florencio Martín (Álvaro Ibáñez Lázaro), religious | Spain | 1936 |
| Blessed Germán Caballero Atienza, priest | Spain | 1936 |
| Blessed Honorato Andrés (Andrés Zorraquino Herrero), religious | Spain | 1936 |
| Blessed Ildefonso Luis (José Llorach Bretó), religious | Spain | 1936 |
| Blessed José Menéndez García, priest | Spain | 1936 |
| Blessed Luis María de la Merced (Luis Minguel Ferrer), priest | Spain | 1936 |
| Blessed Victoriano Ibáñez Alonso, religious | Spain | 1936 |
| October 23 |
| Saint Severin von Köln, bishop | Germany | 403 |
| Saint Ignatius, patriarch | Turkiye | 878 |
| Saint Allucio di Campugliano, layperson | Italy | 1134 |
| Saint John of Capistrano (Giovanni da Capestrano), priest |  Hungary | 1456 |
| Blessed Thomas Thwing, priest |  England | 1680 |
| Blessed Anne-Marie Joseph (Marie-Augustine Erraux), religious | France | 1794 |
| Blessed Marie-Clotilde-Angèle de Saint-François-Borgia (Clotilde-Joseph Paillot), religious | France | 1794 |
| Blessed Marie-Cordule-Joseph de Saint-Dominique (Jeanne-Louise Barré), religious | France | 1794 |
| Blessed Marie-Françoise (Marie-Liévine Lacroix), religious | France | 1794 |
| Blessed Marie-Joséphine (Anne-Joseph Leroux), religious | France | 1794 |
| Blessed Marie-Scholastique de Saint-Jacques (Marie-Marguerite-Joseph Leroux), religious | France | 1794 |
| Saint Phaolô Tống Viết Bường, layperson |  Vietnam | 1833 |
| Blessed Arnould (Julian-Nicolas Rèche), religious | France | 1890 |
| Blessed Agapito Gorgues Manresa, priest | Spain | 1936 |
| Blessed Agustín Nogal Tobar, religious | Spain | 1936 |
| Blessed Andrés Navarro Sierra, priest | Spain | 1936 |
| Blessed Cesáreo Elexgaray Otazua, religious | Spain | 1936 |
| Blessed Cristóbal González Carcedo, religious | Spain | 1936 |
| Blessed Dorinda Sotelo Rodríguez, religious | Spain | 1936 |
| Blessed Eduardo Valverde Rodríguez, priest | Spain | 1936 |
| Blessed Egberto (Leonardo Arce Ruiz), religious | Spain | 1936 |
| Blessed Eufrasio del Amor Misericordioso (Eufrasio de Celis Santos), religious | Spain | 1936 |
| Blessed Felipe Basauri Altube, layperson | Spain | 1936 |
| Blessed Fulgencio del Corazón de María (Fulgencio Calvo Sánchez), religious | Spain | 1936 |
| Blessed Honorino de Nuestra Señora de los Dolores (Honorio Carracedo Ramos), religious | Spain | 1936 |
| Blessed Ildefonso de la Cruz (Anatolio García Nozal), priest | Spain | 1936 |
| Blessed José María Fernández Sánchez, priest | Spain | 1936 |
| Blessed José María de Jesús y María (José María Cuartero Gascón), religious | Spain | 1936 |
| Blessed Juan Núñez Orcajo, religious | Spain | 1936 |
| Blessed Justiniano de San Gabriel de la Dolorosa (Justiniano Cuesta Redondo), priest | Spain | 1936 |
| Blessed Leonardo Olivera Buera, priest | Spain | 1936 |
| Blessed Manuel Navarro Martínez, priest | Spain | 1936 |
| Blessed Ponciano Nieto Asensio, priest | Spain | 1936 |
| Blessed Teófilo Martín (Martín Erro Ripa), religious | Spain | 1936 |
| Blessed Tomás del Santísimo Sacramento (Tomás Cuartero Gascón), religious | Spain | 1936 |
| Blessed Toribia Marticorena Sola, religious | Spain | 1936 |
| Blessed Esther Paniagua Alonso, religious |  Algeria | 1994 |
| Blessed María Caridad Álvarez Martín, religious | Algeria | 1994 |
| October 24 |
| Blessed Augustinus Yu Hang-geom (유항검 아우구스티노 / 柳恒儉), layperson | South Korea | 1801 |
| Blessed Franciscus Yun Ji-heon (윤지헌 프란치스코 / 尹持憲), layperson | South Korea | 1801 |
| Saint Antonio María Claret y Clará, archbishop |  Cuba | 1870 |
| Blessed Giuseppe Baldo, priest | Italy | 1915 |
| Saint Luigi Guanella, priest | Italy | 1915 |
| Blessed Amado García Sánchez, priest | Spain | 1936 |
| Blessed Antonio Toral Cascales, layperson | Spain | 1936 |
| Blessed Benito Paradela Novoa, priest | Spain | 1936 |
| Blessed José Toral Cascales, layperson | Spain | 1936 |
| Blessed Roque Guillén Garcés, priest | Spain | 1936 |
| Blessed Benigna Cardoso da Silva, layperson |  Brazil | 1941 |
| Blessed Maria Tuci, layperson |  Albania | 1950 |
| October 25 |
| Saint Crépin, layperson | France | 286 |
| Saint Crispian, layperson | France | 286 |
| Saint Marcellinus, pope | Italy | 304 |
| Blessed Thaddeus McCarthy, bishop |  Ireland | 1492 |
| Saint Giuse Lê Dăng Thi, layperson | Vietnam | 1860 |
| Blessed Alfonso del Sagrado Corazón de María (Alfons Arimany Ferrer), priest | Spain | 1936 |
| Blessed Josefa de la Purificación (María Josefa Ramona Masiá Ferragud), religious | Spain | 1936 |
| Blessed María Felicidad (María Felicidad Masiá Ferragud), religious | Spain | 1936 |
| Blessed María Jesús (María Vicenta Masiá Ferragud), religious | Spain | 1936 |
| Blessed María Teresa Ferragud Roig, layperson | Spain | 1936 |
| Blessed María Verónica (María Joaquina Masiá Ferragud), religious | Spain | 1936 |
| Blessed Recaredo Centelles Abad, priest | Spain | 1936 |
| October 26 |
| Saint Cedd, bishop | England | 664 |
| Saint Folco Scotti, bishop | Italy | 1229 |
| Saint Bernat Calbó, bishop | Spain | 1243 |
| Blessed Bonaventura da Potenza (Carlo Antonio Gerardo Lavanga), priest | Italy | 1711 |
| Blessed Celina Chludzińska Borzęcka, religious |  Poland | 1913 |
| Blessed Josif Mihali, priest | Albania | 1948 |
| October 27 |
| Blessed Juan Antonio Solinas, priest |  Argentina | 1683 |
| Blessed Pedro Ortiz de Zárate, priest | Argentina | 1683 |
| Blessed Salvador Damián Enguix Garés, layperson | Spain | 1936 |
| October 28 |
| Saint Faron de Meaux, bishop | France | 672 |
| Blessed Augustinus of Jesus Mary (Mancius Yukimoto Ichizaemon / マンショ清左衛門), religious | Japan | 1630 |
| Blessed Ioannes Mukunō Chōzaburō (マンショ清左衛門), layperson | Japan | 1630 |
| Blessed Laurentius of Saint Nicholas Kaida Hachizō (ロレンソ八造), religious | Japan | 1630 |
| Blessed Michaël Ichinose Sukezaemon (ミゲル木内太左衛門), layperson | Japan | 1630 |
| Blessed Petrus of the Mother of God Sawaguchi Kuhyōe (ペドロ九兵衛), religious | Japan | 1630 |
| Blessed Thomas Terai Kahyōe (トマス寺井嘉兵衛), layperson | Japan | 1630 |
| Saint Francisco Díaz del Rincón (施方濟), priest |  China | 1748 |
| Saint Francisco Serrano Frías (德方濟), priest | China | 1748 |
| Saint Joaquín Royo Pérez (華雅敬), priest | China | 1748 |
| Saint Juan Alcober Figuera (費若望), priest | China | 1748 |
| Saint Gioan Ðạt, priest | Vietnam | 1798 |
| Saint Rodrigo Aguilar Alemán, priest |  Mexico | 1927 |
| Blessed Claudio Julián García San Roma, priest | Spain | 1936 |
| Blessed Leoncio Lope García, religious | Spain | 1936 |
| Blessed María Asumpta (Juliana González Trujillano), religious | Spain | 1936 |
| Blessed María Pilar Gullón Yturriaga, layperson | Spain | 1936 |
| Blessed Octavia Iglesias Blanco, layperson | Spain | 1936 |
| Blessed Olga Pérez-Monteserín Núñez, layperson | Spain | 1936 |
| October 29 |
| Saint Narciso, bishop | Spain | 307 |
| Saint Colman mac Duagh, bishop | Ireland | 632 |
| Saint Stefano Minicillo, bishop | Italy | 1023 |
| Blessed Pietro Mulucci, bishop | Italy | 1347 |
| Saint Gaetano Errico, priest | Italy | 1860 |
| Blessed Augusto María (Arsenio Merino Miguel), religious | Spain | 1936 |
| Blessed Joaquina Rey Aguirre, religious | Spain | 1936 |
| Blessed José Ruiz Bruixola, priest | Spain | 1936 |
| Blessed Victoria Arregui Guinea, religious | Spain | 1936 |
| October 30 |
| Saint Saturnino di Cagliari, layperson | Italy | 304 |
| Saint Teonisto, bishop | Italy | 380 |
| Saint Germano di Capua, bishop | Italy | 540 |
| Saint Gerardo di Potenza, bishop | Italy | 1119 |
| Blessed Benvenuta Boiani, layperson | Italy | 1292 |
| Blessed Aldobrandino d’Este, bishop | Italy | 1381 |
| Blessed John Slade, layperson | England | 1583 |
| Blessed Terence Albert O’Brien (Toirdhealbhach Albert Ó Briain), bishop | Ireland | 1651 |
| Saint Angelo d’Acri (Luca Antonio Falcone), priest | Italy | 1739 |
| Blessed Jean-Michel Langevin, priest | France | 1793 |
| Blessed José María Povatos Ruiz, layperson | Spain | 1936 |
| Blessed Stanisław Mysakowski, priest | Poland | 1942 |
| Blessed Oleksa Zaryts’kyi (Олексa Зарицький), priest |  Kazakhstan | 1963 |
| October 31 |
| Saint Volfango, bishop | Germany | 994 |
| Blessed Cristoforo di Romagna, priest | France | 1272 |
| Blessed Tommaso Bellacci da Firenze, religious | Italy | 1447 |
| Blessed Edward Burden, priest | England | 1588 |
| Blessed Dominic Collins (Doiminic Ó Coileáin), religious | Ireland | 1602 |
| Saint Alonso Rodríguez, religious | Spain | 1617 |
| Blessed Irene (Aurelia Mercede Stefani), religious |  Kenya | 1930 |
| Blessed Modesta Moro Briz, religious | Spain | 1936 |
| Blessed Pilar Isabel Sánchez Suárez, religious | Spain | 1936 |
| Blessed Timoteu de Palafrugell (Jesús Miquel Girbau), priest | Spain | 1936 |
| Blessed Leon Nowakowski, priest | Poland | 1939 |
| Blessed Gjon Pantalia, religious | Albania | 1947 |
| Blessed Miguel Tiu Imul, layperson |  Guatemala | 1991 |
| Saint María de la Purísima (María Isabel Salvat Romero), religious | Spain | 1998 |
