Day | Saints | Country | Year |
| April 11 |
| Saint Gauzbert, bishop |  Germany | 860 |
| Saint Stanislaus da Szczepanów, bishop |  Poland | 1079 |
| Blessed Lanuino, priest |  Italy | 1116 |
| Blessed Angelo da Chivasso (Angelo Carletti), priest | Italy | 1495 |
| Blessed George Gervase, priest |  England | 1608 |
| Saint Gemma Maria Umberta Galgani, layperson | Italy | 1903 |
| Saint Elena Guerra, religious | Italy | 1914 |
| Blessed Symforian (Feliks Ducki), religious | Poland | 1942 |
| April 12 |
| Saint Lazzaro di Trieste, deacon | Italy | 142 |
| Saint Julius I, pope | Italy | 352 |
| Saint Damiano di Pavia, bishop | Italy | 710 |
| Saint Erkembode de Thérouanne, bishop |  France | 742 |
| Saint Alferio Pappacarbone, abbot | Italy | 1050 |
| Saint Teresa de Jesús de Los Andes (Juana Fernández Solar), religious |  Chile | 1920 |
| Saint David Uribe Velasco, priest |  Mexico | 1927 |
| Saint Giuseppe Moscati, layperson | Italy | 1927 |
| Blessed Maurice-Philippe Bouchard, layperson | France | 1945 |
| April 13 |
| Saint Orso di Ravenna, bishop | Italy | 425 |
| Saint Hermenegildo, layperson |  Spain | 585 |
| Saint Amando, bishop | Italy | 617 |
| Blessed Ide de Boulogne, layperson | France | 1113 |
| Blessed Ida of Louvain, religious |  Netherlands | 1290 |
| Saint Albertino da Montone, abbot | Italy | 1294 |
| Saint Margherita da Città di Castello, religious | Italy | 1320 |
| Blessed Francis Dickenson, priest | England | 1590 |
| Blessed Edward Catherick, priest | England | 1642 |
| Blessed John Lockwood (Lascelles), priest | England | 1642 |
| Blessed Serafino Morazzone, priest | Italy | 1822 |
| Blessed Scubilion (Jean-Bernard Rousseau), religious |  Réunion | 1867 |
| Saint Sabas Reyes Salazar, priest | Mexico | 1927 |
| Blessed Isabel (Josefina Calduch Rovira), religious | Spain | 1937 |
| Blessed Stanisław Kostka Starowieyski, layperson | Germany | 1941 |
| Blessed Roger (Paul Le Ber), religious | France | 1945 |
| Blessed Rolando Maria Rivi, layperson | Italy | 1945 |
| April 14 |
| Saint Massimo, layperson | Italy | 229 |
| Saint Tiburzio, layperson | Italy | 229 |
| Saint Valeriano, layperson | Italy | 229 |
| Saint Prétextat de Rouen, archbishop | France | 586 |
| Saint Giovanni di Montemarano, bishop | Italy | 1095 |
| Saint Gautier de Pontoise, abbot | France | 1099 |
| Saint Bernard de Tiron, abbot | France | 1117 |
| Saint Lidwina of Schiedam (Liduina van Schiedam), layperson | Netherlands | 1433 |
| Blessed Jean Perriolat, layperson | France | 1945 |
| Blessed Lucien Botovasoa, layperson |  Madagascar | 1947 |
| April 15 |
| Saint Ortaire de Landelles, abbot | France | 580 |
| Blessed Pedro González Telmo, priest | Spain | 1246 |
| Saint César de Bus, priest | France | 1607 |
| Saint Damien De Veuster, priest |  USA | 1889 |
| Blessed Camille Millet, layperson | France | 1945 |
| April 16 |
| Saint Withburga of Dereham, abbess | England | 743 |
| Saint Magnus Erlendsson, layperson |  Scotland | 1115 |
| Saint Druon de Sebourg, layperson | France | 1186 |
| Saint Contardo d’Este, layperson | Italy | 1249 |
| Blessed Gioacchino da Siena (Chiaramonte Piccolomini), religious | Italy | 1305 |
| Blessed Arcangelo Canetoli, priest | Italy | 1513 |
| Saint Benedict Joseph Labre (Benedetto Giuseppe Labre), layperson | Italy | 1783 |
| Blessed Anne Maugrain, layperson | France | 1794 |
| Blessed Françoise Micheneau veuve Gillot, layperson | France | 1794 |
| Blessed Françoise Suhard veuve Ménard, layperson | France | 1794 |
| Blessed Jean Ménard, layperson | France | 1794 |
| Blessed Jeanne Gourdon veuve Moreau, layperson | France | 1794 |
| Blessed Jeanne Leduc épouse Paquier, layperson | France | 1794 |
| Blessed Jeanne Onillon veuve Onillon, layperson | France | 1794 |
| Blessed Jeanne Thomas veuve Delaunay, layperson | France | 1794 |
| Blessed Madeleine Cady épouse Desvignes, layperson | France | 1794 |
| Blessed Madeleine Sallé épouse Havard, layperson | France | 1794 |
| Blessed Marguerite Robin, layperson | France | 1794 |
| Blessed Marie Forestier, layperson | France | 1794 |
| Blessed Marie Gingueneau veuve Coiffard, layperson | France | 1794 |
| Blessed Marie Lardeux, layperson | France | 1794 |
| Blessed Marie Piou épouse Supiot, layperson | France | 1794 |
| Blessed Marie Rechard, layperson | France | 1794 |
| Blessed Marie Roger veuve Chartier, layperson | France | 1794 |
| Blessed Marie-Genevieve Poulain de la Forestrie, layperson | France | 1794 |
| Blessed Marthe Poulain de la Forestrie, layperson | France | 1794 |
| Blessed Perrine Bourigault, layperson | France | 1794 |
| Blessed Perrine Laurent, layperson | France | 1794 |
| Blessed Perrine Pottier épouse Turpault, layperson | France | 1794 |
| Blessed Pierre Delépine, layperson | France | 1794 |
| Blessed Renée Bourgeais veuve Juret, layperson | France | 1794 |
| Blessed Renée Rigault épouse Papin, layperson | France | 1794 |
| Blessed Renée Sechet veuve Davy, layperson | France | 1794 |
| Saint Marie-Bernarde (Bernadette Soubirous), religious | France | 1879 |
| Blessed Gaspër (Mikel Suma), priest |  Albania | 1950 |
| April 17 |
| Saint Simeon bar Sabbae, bishop |  Iraq | 345 |
| Saint Innocenzo di Tortona, bishop | Italy | 353 |
| Saint Donnán of Eigg, priest | Scotland | 617 |
| Saint Elías de Córdoba, priest | Spain | 856 |
| Saint Isidoro de Córdoba, religious | Spain | 856 |
| Saint Pablo de Córdoba, religious | Spain | 856 |
| Saint Robert de Turlande, abbot | France | 1067 |
| Saint Robert de Molesme, abbot | France | 1111 |
| Blessed Giacomo da Cerqueto, priest | Italy | 1366 |
| Blessed Chiara Gambacorti, religious | Italy | 1420 |
| Blessed Maria Ana de Jesús (Mariana Navarro de Guevara y Romero), religious | Spain | 1624 |
| Blessed Paul of Saint Magdalene (Henry Heath), priest | England | 1643 |
| Saint Kateri Tekakwitha, layperson |  Canada | 1680 |
| Blessed Max Josef Metzger, priest | Germany | 1944 |
| April 18 |
| Saint Molaise (Laserian of Leighlin), bishop |  Ireland | 638 |
| Saint Perfecto de Córdoba, priest | Spain | 850 |
| Saint Galdino, cardinal | Italy | 1176 |
| Saint Bartolomeo (Amadio da Firenze), priest | Italy | 1266 |
| Blessed Andrea da Montereale, priest | Italy | 1479 |
| Blessed Andrés Hibernón Real, religious | Spain | 1602 |
| Blessed Marie de l’Incarnation (Barbe Acarie Avrillot), religious | France | 1618 |
| Blessed Joseph Moreau, priest | France | 1794 |
| Blessed Luca Passi, priest | Italy | 1866 |
| Blessed Savina Petrilli, religious | Italy | 1923 |
| Blessed Roman Archutowski, priest | Poland | 1943 |
| Blessed Raymond Louveaux, layperson | France | 1945 |
| Blessed Louis Leroy, priest |  Laos | 1961 |
| April 19 |
| Saint Ælfheah of Canterbury, archbishop | England | 1012 |
| Saint Leo IX, pope | France | 1054 |
| Blessed Bernard le Pénitent, religious | France | 1182 |
| Blessed James Duckett, layperson | England | 1602 |
| Blessed Jaime Llach Candell, priest | Spain | 1937 |
| Blessed Ramón Llach Candell, priest | Spain | 1937 |
| April 20 |
| Saint Marcellin d’Embrun, bishop | France | 374 |
| Blessed Géraud de Salles, priest | France | 1120 |
| Blessed Domenico Vernagalli, priest | Italy | 1219 |
| Saint Agnese di Montepulciano, abbess | Italy | 1317 |
| Blessed Simone da Todi (Simone Rinalducci), priest | Italy | 1322 |
| Blessed James Bell, priest | England | 1584 |
| Blessed John Finch, layperson | England | 1584 |
| Blessed Maurice Mackenraghty (Muiris Mac Ionrachtaigh), priest | Ireland | 1585 |
| Blessed William Thomson, priest | England | 1586 |
| Blessed Antony Page, priest | England | 1593 |
| Blessed Francis Page, priest | England | 1602 |
| Blessed Robert Watkinson, priest | England | 1602 |
| Blessed Chiara (Dina Bosatta), religious | Italy | 1887 |
| Blessed Domingo Ciriaco (Dionisio Domínguez Martínez), religious | Spain | 1937 |
| Blessed Bernard Morizot, layperson | France | 1945 |
| Blessed Louis Pourtois, layperson | France | 1945 |
| Blessed Michel Coquelet, priest | Laos | 1961 |
