Day | Saints | Country | Year |
| January 11 |
| Saint Typasius, layperson | Algeria | 304 |
| Saint Peter Balsamus, layperson | Palestine | 309 |
| Saint Miltiades, pope | Algeria | 314 |
| Saint Giovanni di Ravenna, archbishop | Italy | 595 |
| Saint Paolino, patriarch | Italy | 802 |
| Blessed Bernardino Scammacca, priest | Italy | 1487 |
| Blessed William Carter, layperson | England | 1584 |
| Blessed Ioannes Hattori Jingorō (ヨハネ 服部 甚五郎), layperson | Japan | 1609 |
| Blessed Michaël Mitsuishi Hikoemon (ミカエル 三石 彦右衛門), layperson | Japan | 1609 |
| Blessed Petrus Hattori (ペトロ 服部), layperson | Japan | 1609 |
| Blessed Thomas Mitsuishi (トマス 三石), layperson | Japan | 1609 |
| Saint Tommaso da Cori (Francesco Antonio Placidi), priest | Italy | 1729 |
| Blessed Ana María Janer Anglarill, religious | Spain | 1885 |
| Blessed Anna Maria Janer Anglarill, religious | Spain | 1885 |
| Blessed Franciszek Rogaczewski, priest | Poland | 1940 |
| January 12 |
| Saint Césarie d’Arles, abbess | France | 527 |
| Saint Ferjus de Grenoble, bishop | France | 659 |
| Saint Benedict Biscop, abbot | England | 690 |
| Saint Aelred of Rievaulx, abbot | England | 1167 |
| Saint Martino de la Santa Cruz de León, priest | Spain | 1203 |
| Blessed Alexis Choemon (アレクシス 庄右衛門), layperson | Japan | 1629 |
| Blessed Alexius Satō Seisuke (アレクシス 佐藤 清助), layperson | Japan | 1629 |
| Blessed Andreas Yamamoto Shichiemon (アンドレア 山本 七右衛門), layperson | Japan | 1629 |
| Blessed Anna (アンナ), layperson | Japan | 1629 |
| Blessed Antonius Anazawa Han’Emon (アントニオ 穴沢 半右衛門), layperson | Japan | 1629 |
| Blessed Antonius Banzai Orusu (アントニオ 板斎 おろす), layperson | Japan | 1629 |
| Blessed Aurea Banzai (アウレア 板斎), layperson | Japan | 1629 |
| Blessed Candidus (カンヂド 『坊主』), layperson | Japan | 1629 |
| Blessed Crescentia Anazawa (クレシェンティア 穴沢), layperson | Japan | 1629 |
| Blessed Dominica Amagasu (ドミンガ 甘糟), layperson | Japan | 1629 |
| Blessed Elisabeth Satō (エリサベス 佐藤), layperson | Japan | 1629 |
| Blessed Ignatius (イグナチオ), layperson | Japan | 1629 |
| Blessed Ignatius Iida Soemon (イグナチオ 飯田 惣右衛門), layperson | Japan | 1629 |
| Blessed Ioachim Saburōbyōe (ジョアキム 三郎兵衛), layperson | Japan | 1629 |
| Blessed Ioannes Arie Kiemon (ヨハネ 有家 喜右衛門), layperson | Japan | 1629 |
| Blessed Ioannes Banzai Kazue (ヨハネ 板斎 主計), layperson | Japan | 1629 |
| Blessed Ioannes Gorōbyōe (ヨハネ 五郎兵衛), layperson | Japan | 1629 |
| Blessed Iulia Yoshino (ジュリア 吉野), layperson | Japan | 1629 |
| Blessed Iusta Amagasu (ユスタ 甘糟), layperson | Japan | 1629 |
| Blessed Lucia Iida (ルチア 飯田), layperson | Japan | 1629 |
| Blessed Lucia Kurogane (ルチア 黒金), layperson | Japan | 1629 |
| Blessed Lucia Ōbasama (ルチア 大峡), layperson | Japan | 1629 |
| Blessed Lucia Satō (ルチア 佐藤), layperson | Japan | 1629 |
| Blessed Ludovicus Amagasu Iemon (ルドビコ 甘糟 右衛門), layperson | Japan | 1629 |
| Blessed Ludovicus Jin’Emon (ルドビコ 甚右衛門), layperson | Japan | 1629 |
| Blessed Magdalena (マグダレーナ), layperson | Japan | 1629 |
| Blessed Magdalena Arie (マグダレナ 有家), layperson | Japan | 1629 |
| Blessed Mancius Yoshino Han’Emon (マンジョ 吉野 半右衛門), layperson | Japan | 1629 |
| Blessed Maria Itō (マリア 伊藤), layperson | Japan | 1629 |
| Blessed Maria Yamamoto (マリア 山本), layperson | Japan | 1629 |
| Blessed Marina Itō Chōbo (マリーナ 長房), layperson | Japan | 1629 |
| Blessed Martha (マルタ), layperson | Japan | 1629 |
| Blessed Matthias Itō Hikosuke (マチアス 彦助), layperson | Japan | 1629 |
| Blessed Michaël Amagasu Tayemon (ミカエル 甘糟 太右衛門), layperson | Japan | 1629 |
| Blessed Michaël Anazawa Osamu (ミカエル 穴沢 治), layperson | Japan | 1629 |
| Blessed Paulus (パウロ), layperson | Japan | 1629 |
| Blessed Paulus Anazawa Juzaburō (パウロ 穴沢 重三郎), layperson | Japan | 1629 |
| Blessed Paulus Nishihori Shikibu (パウロ 西堀 式部), layperson | Japan | 1629 |
| Blessed Paulus Sanjūrō (パウロ 三十郎), layperson | Japan | 1629 |
| Blessed Paulus Satō Matagorō (パウロ 佐藤 又五郎), layperson | Japan | 1629 |
| Blessed Petrus Arie Jinzō (ペトロ 有家 丹蔵), layperson | Japan | 1629 |
| Blessed Petrus Itō Yahyōe (ペトロ 弥兵衛), layperson | Japan | 1629 |
| Blessed Romanus Anazawa Matsujiro (ロマノ 穴沢 松次郎), layperson | Japan | 1629 |
| Blessed Rufina Banzai (ルフィーナ 板斎), layperson | Japan | 1629 |
| Blessed Shichizaemon (七右衛門), layperson | Japan | 1629 |
| Blessed Shichizaemon, layperson | Japan | 1629 |
| Blessed Shichizaemon, layperson | Japan | 1629 |
| Blessed Simon Takahashi Seizaemon (シモン 高橋 清左衛門), layperson | Japan | 1629 |
| Blessed Thecla Kurogane (テクラ 黒金), layperson | Japan | 1629 |
| Blessed Thecla Takahashi (テクラ 高橋), layperson | Japan | 1629 |
| Blessed Timotheus Ōbasama Jirōbyōe (ティモテオ 大峡 次郎兵衛), layperson | Japan | 1629 |
| Blessed Ursula Yamamoto (ウルスラ 山本), layperson | Japan | 1629 |
| Blessed Vincentius Kurogane Ichibiyōe (ビセンテ 黒金 市兵衛門), layperson | Japan | 1629 |
| Saint Bernardo da Corleone (Filippo Latini), religious | Italy | 1667 |
| Saint Marguerite Bourgeoys, religious | Canada | 1700 |
| Blessed Antoine Fournier, layperson | France | 1794 |
| Blessed Pierre-François Jamet, priest | France | 1845 |
| Blessed Giovanni Merlini, priest | Italy | 1873 |
| Saint Antonio Maria (Eustachio Pucci), priest | Italy | 1892 |
| Blessed Antonio María Carrillo Pérez, priest | Spain | 1937 |
| Blessed José Teba Merino, priest | Spain | 1937 |
| Blessed Francisco Salamanca Bujalance, priest | Spain | 1939 |
| Blessed Nicholas Bunkerd Kitbamrung (นิโคลาส บุญเกิด กฤษบำรุง), priest | Thailand | 1944 |
| Blessed Victor Dillard, priest | France | 1945 |
| January 13 |
| Saint Vivenzio di Blera, bishop | Italy | 484 |
| Saint Remi de Reims, archbishop | France | 533 |
| Saint Kentigern (Mungo), bishop | Scotland | 614 |
| Saint Peter of Capitolias, priest | Syria | 715 |
| Saint Gumersindo de Córdoba, priest | Spain | 852 |
| Saint Servuodeo de Córdoba, religious | Spain | 852 |
| Saint Bernon, abbot | France | 927 |
| Saint Gottfried von Cappenberg, priest | Germany | 1127 |
| Saint Ivette de Huy, religious | Belgium | 1228 |
| Blessed Veronica Negroni da Binasco, religious | Italy | 1497 |
| Saint Ðaminh Phạm Trọng Khảm, layperson | Vietnam | 1859 |
| Saint Giuse Phạm Trọng Tả, layperson | Vietnam | 1859 |
| Saint Luca Phạm Trọng Thìn, layperson | Vietnam | 1859 |
| Blessed Francesco Maria Greco, priest | Italy | 1931 |
| Blessed Francisca de la Encarnación (María Francisca Espejo Martos), religious | Spain | 1937 |
| Blessed Isabel María de San Rafael (Isabel Aranda Sánchez), religious | Spain | 1937 |
| Blessed Manuel Quero Montilla, priest | Spain | 1937 |
| Blessed Manuel Valdivia Chica, priest | Spain | 1937 |
| Blessed Manuel María Garrido Izquierdo, priest | Spain | 1937 |
| Blessed Victoria (Francisca Inés Valverde González), religious | Spain | 1937 |
| Blessed Emil Szramek, priest | Poland | 1942 |
| January 14 |
| Saint Pontiano da Spoleto, layperson | Italy | 175 |
| Saint Felice di Nola, priest | Italy | 313 |
| Blessed Oddone di Novara, priest | Italy | 1198 |
| Blessed Odoric of Pordenone (Odorico da Pordenone / 和德理), priest | Italy | 1331 |
| Saint Lazarus Devasahayam Pillai, layperson | India | 1752 |
| Blessed Anicet Hryciuk, layperson | Poland | 1874 |
| Blessed Bartłomiej Osypiuk, layperson | Poland | 1874 |
| Blessed Daniel Karmasz, layperson | Poland | 1874 |
| Blessed Filip Geryluk, layperson | Poland | 1874 |
| Blessed Ignacy Frańczuk, layperson | Poland | 1874 |
| Blessed Jan Andrzejuk, layperson | Poland | 1874 |
| Blessed Konstanty Bojko, layperson | Poland | 1874 |
| Blessed Łukasz Bojko, layperson | Poland | 1874 |
| Blessed Onufry Wasyluk, layperson | Poland | 1874 |
| Blessed Wincenty Lewoniuk, layperson | Poland | 1874 |
| Blessed Petrus Norbert Donders, priest | Suriname | 1887 |
| Blessed Carlos de Alcubilla (Pablo Merillas Fernández), priest | Spain | 1937 |
| Blessed Francisco Martínez Garrido, priest | Spain | 1937 |
| January 15 |
| Saint Ita (Íte of Killeedy), religious | Ireland | 570 |
| Saint Mauro, abbot | France | 584 |
| Blessed Pierre de Castelnau, priest | France | 1208 |
| Blessed Giacomo l’Elemosiniere, layperson | Italy | 1304 |
| Blessed Angelo da Gualdo Tadino, religious | Italy | 1324 |
| Saint Francisco Fernández de Capillas (劉方濟), priest | Spain | 1648 |
| Saint Arnold Janssen, priest | Germany | 1909 |
| Blessed Bernardino Espejo Garrido, priest | Spain | 1937 |
| Blessed Donato Rodríguez García, layperson | Spain | 1937 |
| Blessed Emilio Huidobro Corrales, layperson | Spain | 1937 |
| Blessed Germán García García, layperson | Spain | 1937 |
| Blessed Valentín Palencia Marquina, priest | Spain | 1937 |
| Blessed Zacarías Cuesta Campo, layperson | Spain | 1937 |
| Blessed Titu Liviu Chinezu, bishop | Romania | 1955 |
| January 16 |
| Saint Marcellus I, pope | Italy | 309 |
| Saint Jacques de Tarentaise, bishop | France | 429 |
| Saint Honorat d’Arles, archbishop | France | 430 |
| Saint Onorato di Fondi, abbot | Italy | 530 |
| Saint Tiziano di Oderzo, bishop | Italy | 632 |
| Saint Polyeuctus, patriarch | Turkiye | 970 |
| Saint Accursio, religious | Morocco | 1220 |
| Saint Adiuto, religious | Morocco | 1220 |
| Saint Berardo, priest | Morocco | 1220 |
| Saint Ottone, priest | Morocco | 1220 |
| Saint Pietro, priest | Morocco | 1220 |
| Saint Joseph Vaz, priest | Sri Lanka | 1711 |
| Blessed Konstanty Łukaszuk, layperson | Poland | 1874 |
| Blessed Louis-Antoine-Rose Ormières, priest | France | 1890 |
| Blessed Giuseppe Tovini, layperson | Italy | 1897 |
| Blessed Juana María Condesa Lluch, religious | Spain | 1916 |
| Blessed Gaston Raoult, layperson | France | 1945 |
| Blessed Jules Grand, priest | France | 1945 |
| January 17 |
| Saint Anthony the Great, abbot | Egypt | 356 |
| Saint Marcel de Die, bishop | France | 510 |
| Saint Sulpice le Pieux, archbishop | France | 647 |
| Blessed Gamelbert, priest | Germany | 800 |
| Saint Roseline de Villeneuve, abbess | France | 1329 |
| Blessed Maksym Hawryluk, layperson | Poland | 1874 |
| Blessed Michał Wawryszuk, layperson | Poland | 1874 |
| Saint Jenaro Sánchez Delgadillo, priest | Mexico | 1927 |
| Blessed Robert Défossez, layperson | France | 1945 |
| Blessed Teresio Olivelli, layperson | Germany | 1945 |
| Blessed Hryhorii Khomyshyn (Григорій Xомишин), bishop | Hungary | 1947 |
| January 18 |
| Saint Deicolus (Del de Lure), abbot | France | 625 |
| Saint Margaret of Hungary, religious | Hungary | 1270 |
| Blessed Facio de Cremona, layperson | Italy | 1272 |
| Blessed Andrea da Peschiera Grego, priest | Italy | 1485 |
| Blessed Cristina Ciccarelli, religious | Italy | 1543 |
| Blessed Regina Protmann, religious | Poland | 1613 |
| Blessed Charlotte Lucas, layperson | France | 1794 |
| Blessed Félicité Pricet, layperson | France | 1794 |
| Blessed Monique Pichery, layperson | France | 1794 |
| Blessed Victoire Gusteau, layperson | France | 1794 |
| Blessed Thomas (Geries Hanna Saleh), priest | Turkiye | 1917 |
| Saint Jaime Hilario (Manuel Barbal Cosán), religious | Spain | 1937 |
| Blessed Maria Teresa (Maria Giovanna Fasce), abbess | Italy | 1947 |
| Blessed Juan Barrera Méndez, layperson | Guatemala | 1980 |
| January 19 |
| Blessed Marcelo Spínola y Maestre, cardinal | Spain | 1906 |
| January 20 |
| Saint Fabian, pope | Italy | 250 |
| Saint Euthymius, abbot | Palestine | 473 |
| Saint Wulfstan of Worcester, bishop | England | 1095 |
| Blessed Benedetto Ricasoli, religious | Italy | 1107 |
| Saint Henrik, bishop | Sweden | 1156 |
| Blessed Eusebius of Esztergom (Özséb), priest | Hungary | 1270 |
| Saint Eustochia (Smeralda Calafato), religious | Italy | 1485 |
| Blessed Angelo Paoli, priest | Italy | 1720 |
| Saint Stephanus Min Kŭk-ka (민극가 스테파노 / 閔克可), layperson | South Korea | 1840 |
| Blessed Basile-Antoine Marie Moreau, priest | France | 1873 |
| Saint Maria Cristina dell’Immacolata Concezione (Adelaide Brando), religious | Italy | 1906 |
| Blessed Jerónimo Ramiro Luis Fábregas Camí, priest | Spain | 1939 |
| Blessed Cipriano (Michael Iwene Tansi), priest | England | 1964 |