Day | Saints | Country | Year |
| January 1 |
| Saint Basil of Caesarea, archbishop |  Turkiye | 379 |
| Saint Oyend de Condat (Eugendus), abbot |  France | 510 |
| Saint Fulgenzio, bishop |  Tunisia | 533 |
| Saint Clair du Dauphiné, abbot | France | 660 |
| Saint Guillaume de Volpiano, abbot | France | 1031 |
| Blessed Ugolino da Gualdo Cattaneo, religious |  Italy | 1260 |
| Saint Bonfilio Monaldi, priest | Italy | 1262 |
| Saint Giuseppe Maria Tomasi di Lampedusa, cardinal | Italy | 1713 |
| Blessed Jean Lego, priest | France | 1794 |
| Blessed René Lego, priest | France | 1794 |
| Saint Vincenzo Maria Strambi, bishop | Italy | 1824 |
| Blessed Valentinus (Johannes Ludovicus Paquay), priest |  Belgium | 1905 |
| Saint Zygmunt Gorazdowski, priest |  Ukraine | 1920 |
| Blessed Andrés Gómez Sáez, priest |  Spain | 1937 |
| Blessed Carmen Godoy Calvache, layperson | Spain | 1937 |
| Blessed Lojze Grozde, layperson |  Slovenia | 1943 |
| Blessed Marian Konopiński, priest |  Poland | 1943 |
| January 2 |
| Saint Macarius of Alexandria, priest |  Egypt | 395 |
| Saint Adalard de Corbie, abbot | France | 827 |
| Blessed Ayrald, bishop | France | 1146 |
| Saint Silvestro di Troina, abbot | Italy | 1164 |
| Blessed Pellegrino di Sassonia, bishop |  Croatia | 1356 |
| Blessed Stefana Quinzani, religious | Italy | 1530 |
| Blessed Guillaume Repin, priest | France | 1794 |
| Blessed Laurent Batard, priest | France | 1794 |
| Blessed Marie-Anne Blondin, religious |  Canada | 1890 |
| Blessed Columbanus Paul (Henri Oza Motinot), religious | Spain | 1937 |
| Blessed Narciso (Baldomero Arribas Arnaiz), religious | Spain | 1937 |
| Blessed Néstor Eugenio (Tesifonte Ortega Villamudrio), religious | Spain | 1937 |
| Blessed Pedro (Jaime Cortasa Monclús), religious | Spain | 1937 |
| January 3 |
| Saint Anterus, pope |  Greece | 236 |
| Saint Kuriakose Elias Chavara, priest |  India | 1871 |
| January 4 |
| Saint Grégoire de Langres, bishop | France | 539 |
| Saint Ferréol d’Uzès, bishop | France | 581 |
| Saint Angela da Foligno, layperson | Italy | 1309 |
| Blessed Cristiana da Santa Croce (Oringa Menabuoi), religious | Italy | 1310 |
| Blessed Thomas Plumtree, priest |  England | 1570 |
| Saint Elizabeth Ann Bayley Seton, religious |  USA | 1821 |
| Blessed Barbara Choe Jo-i (최조이 바르바라 / 崔召史), layperson |  South Korea | 1840 |
| Blessed Iacobus Oh Jong-rye (오종례 야고보 / 吳宗禮), layperson | South Korea | 1840 |
| Blessed Magdalena Yi Jo-i (이조이 막달레나 / 李召史), layperson | South Korea | 1840 |
| Blessed Protasius Hong Jae-yeong (홍재영 프로타시오 / 洪梓榮), layperson | South Korea | 1840 |
| Blessed Euquerio (Euquerio Llanillo García), religious | Spain | 1937 |
| Saint Manuel González y García, bishop | Spain | 1940 |
| January 5 |
| Saint Convoyon, abbot | France | 868 |
| Saint Edward the Confessor, layperson | England | 1066 |
| Blessed Ruggero di Todi, priest | Italy | 1237 |
| Blessed François Peltier, priest | France | 1794 |
| Blessed Jacques Ledoyen, priest | France | 1794 |
| Blessed Pierre Tessier, priest | France | 1794 |
| Saint John Nepomucene Neumann, bishop | USA | 1860 |
| Blessed Maria Repetto, religious | Italy | 1890 |
| Saint Karel van Sint Andries (Joannes Andreas Houben), priest |  Ireland | 1893 |
| Blessed Maria Marcelina od Niepokalanego Poczęcia NMP (Marcelina Darowska), religious | Ukraine | 1911 |
| Blessed Pietro Bonilli, priest | Italy | 1935 |
| Blessed Roberto (Joan Grau Bullich), priest | Spain | 1937 |
| Saint Genoveva Torres Morales, religious | Spain | 1956 |
| January 6 |
| Saint Abo of Tblisi, layperson |  Georgia | 786 |
| Saint Raymond of Penyafort (Raimundo de Penyafort), priest | Spain | 1275 |
| Saint Pietro Tommaso, patriarch | Greece | 1366 |
| Saint Andrea Corsini, bishop | Italy | 1374 |
| Saint Juan de Ribera, patriarch | Spain | 1611 |
| Saint Carlo da Sezze (Giancarlo Marchioni), religious | Italy | 1670 |
| Blessed Rita Amada de Jesus (Rita Lopes de Almeida), religious |  Portugal | 1913 |
| Saint María del Sagrado Corazón de Jesús (Rafaela Porras Ayllón), religious | Italy | 1925 |
| Saint André (Alfred Bessette), religious | Canada | 1937 |
| January 7 |
| Saint Lucian of Antioch, priest | Turkiye | 312 |
| Saint Valentian de Coire, bishop |  Switzerland | 548 |
| Saint Canute Lavard (Knud Hertug), layperson |  Denmark | 1131 |
| Blessed Matteo Guimerà, bishop | Italy | 1450 |
| Blessed Ambrosio Fernandes (アンブロシオ･フェルナンデス), religious |  Japan | 1620 |
| Blessed Franciscus Bae Gwan-gyeom (배관겸 프란치스코), layperson | South Korea | 1800 |
| Blessed Paul Josef Nardini, priest |  Germany | 1862 |
| Blessed Marie-Thérèse (Jeanne Haze), religious | Belgium | 1876 |
| January 8 |
| Saint Severinus of Noricum, priest |  Austria | 482 |
| Saint Anastase de Sens, archbishop | France | 977 |
| Saint Torfinn Av Hamar, bishop |  Norway | 1285 |
| Saint Lorenzo Giustiniani, patriarch | Italy | 1456 |
| Blessed Edward Waterson, priest | England | 1593 |
| Blessed Eurosia Fabris Barban, layperson | Italy | 1932 |
| Blessed Titus Zeman, priest |  Slovakia | 1969 |
| January 9 |
| Saint Adrian of Canterbury, abbot |  Algeria | 710 |
| Blessed Diana degli Andalò, religious | Italy | 1236 |
| Blessed Philippe Berruyer, archbishop | France | 1261 |
| Blessed Giulia della Rena, religious | Italy | 1367 |
| Blessed Antonio Fatati, bishop | Italy | 1484 |
| Blessed Marie-Thérèse de Jésus (Alix Le Clerc), religious | France | 1622 |
| Blessed Franciscus Yi Bo-hyeon (이보현 프란치스코 / 李步玄), layperson | South Korea | 1800 |
| Blessed Martinus In Eon-min (인언민 마르티노 / 印彦敏), layperson | South Korea | 1800 |
| Saint Agatha Yi (이 아가타 / 李亞加大), layperson | South Korea | 1840 |
| Saint Theresia Kim (김 데레사 / 金德肋撒), layperson | South Korea | 1840 |
| Blessed Pauline-Marie Jaricot, layperson | France | 1862 |
| Blessed Józef Pawłowski, priest | Germany | 1942 |
| Blessed Kazimierz Grelewski, priest | Germany | 1942 |
| January 10 |
| Saint Polyeuctus of Melitene, layperson | Turkiye | 259 |
| Saint John, bishop |  Palestine | 417 |
| Saint Domitian of Melitene, archbishop | Turkiye | 602 |
| Saint Agatho, pope | Italy | 681 |
| Saint Pietro Orseolo, religious | France | 987 |
| Blessed Benincasa, abbot | Italy | 1194 |
| Saint Guillaume de Corbeil, archbishop | France | 1209 |
| Blessed Gonçalo de Amarante, priest | Portugal | 1259 |
| Blessed Gregory X, pope | Italy | 1276 |
| Blessed Egidio da Laurenzana (Bernardino Di Bello), religious | Italy | 1518 |
| Blessed Ana de los Ángeles (Ana Monteagudo Ponce de León), religious |  Peru | 1686 |
| Blessed Marie de la Conception (Adèle de Batz de Trenquelléon), religious | France | 1828 |
| Blessed Mamerto Esquiú Medina, bishop |  Argentina | 1883 |
| Saint Françoise de Sales (Léonie Aviat), religious | Italy | 1914 |
| Blessed María Dolores Rodríguez Sopeña, religious | Spain | 1918 |
| Blessed Pascual Roda Díaz, layperson | Spain | 1937 |
