| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 9 of April | Máximo | Saint Máximo of Alejandría | 282 Egypt | |
| 9 of April | Thomas | Blessed Thomas of Tolentino | 1321 India | |
| 9 of April | Ubald | Blessed Ubald Adimari | 1315 Italy | |
| 10 of April | Ezequiel | Saint Ezekiel | Israel | Israel |
| 10 of April | Antonio | Blessed Anthony Neyrot | 1460 Tunisia | |
| 10 of April | Apollonius | Saint Apollonius of Alexandria | Egypt | |
| 10 of April | Beda | Saint Beda the young | 883 Italy | |
| 10 of April | Bonifacio | Blessed Boniface Zukowski | 1942 Germany | |
| 10 of April | Fulberto | Saint Fulberto | 1029 France | |
| 10 of April | Macario | Saint Macario of Gante | 1012 Belgium | |
| 10 of April | Marcos | Blessed Marco of Bolonia Fantuzzi | 1479 Italy | |
| 10 of April | Miguel | Saint Miguel of los Saints | 1501 Spain | 1625 Spain |
| 10 of April | Paladio | Saint Paladio of Auxerre | 658 France | |
| 11 of April | Estanislao | Saint Stanislaus | 1030 Poland | 1079 Poland |
| 11 of April | Isaac | Saint Isaac of Spoleto | Syrian arab republic | 550 Italy |
| 11 of April | Antipas | Saint Antipas | Turkey | |
| 11 of April | Ángel | Blessed Angelo di Chivasso Carletti | 1495 Italy | |
| 11 of April | Barsanuphius | Saint Barsanuphius | 540 Israel | |
| 11 of April | Domnius | Saint Domnius of Salona | 299 Croatia (Hrvatska) | |
| 11 of April | Felipe | Saint Felipe of Gortina | 180 Greece | |
| 11 of April | Jorge | Blessed George Gervase | 1608 United kingdom | |
| 11 of April | Lanuino | Blessed Lanuinus | 1119 Italy | |
| 11 of April | Symforian | Blessed Symforian Ducki | Poland | |
| 12 of April | Julio | Saint Julius I Pope | Italy | 352 Italy |
| 12 of April | Alferius | Saint Alferius | 1050 France | |
| 12 of April | Basil | Saint Basil of Pario | 735 Greece | |
| 12 of April | Constantine | Saint Constantine | France | |
| 12 of April | Damian | Saint Damian of Pavia | 697 Italy | |
| 12 of April | David | Saint David Uribe | Mexico | |
| 12 of April | Erkembodone | Saint Erkembodone | 742 France | |
| 12 of April | Lorenzo | Blessed Laurent of Lisboa | Portugal | |
| 12 of April | José | Saint José Moscati | Italy | 1927 Italy |
| 12 of April | Sabas | Saint Sabas Godo | 372 Turkey | |
| 12 of April | Zenón | Saint Zenón of Verona | 372 Italy | |
| 13 of April | Hermenegildo | Saint Hermenegild | 564 Spain | 586 Spain |
| 13 of April | Albertini | Blessed Albertini | 1294 Italy | |
| 13 of April | Caradoc | Saint Caradoc | 1124 United kingdom | |
| 13 of April | Juan | Blessed Jean Bernard Scubilion | 1867 Reunion | |
| 13 of April | Martín | Saint Martín I papa | Italy | 656 Italy |
| 13 of April | Sabás | Saint Sabás Reyes | 1883 Mexico | 1927 Mexico |
| 13 of April | Urso | Saint Urso of Rávena | 425 Italy | |
| 14 of April | Asacus | Saint Asacus | Ireland | |
| 14 of April | Benedict | Saint Benedict of Avignon | 1184 France | |
| 14 of April | Bernard | Saint Bernard of Tiron | 1117 France | |
| 14 of April | Juan | Saint Juan of Montemarano | France | |
| 14 of April | Frontón | Saint Frontón | Egypt | |
| 14 of April | Lamberto | Saint Lamberto of Lyon | 688 France | |
| 14 of April | Pedro | Saint Pedro González Telmo | 1190 Spain | 1246 Spain |
| 15 of April | Telmo | Saint Telmo Confessor | 1185 Spain | 1246 Spain |
| 15 of April | Abundius | Saint Abundius of Roma | 564 | |
| 15 of April | César | Blessed Cesar of Hus | 1607 France | |
| 15 of April | Crescentius | Saint Crescentius | Italy | |
| 15 of April | Damián | Blessed Damien of Veuster | 1889 Australia | |
| 15 of April | Marón | Saint Marón of Piceno | Italy | |
| 15 of April | Ortario | Saint Ortario of Landelles | France | |
| 15 of April | Paterno | Saint Paterno of Scissy | 565 France | |
| 15 of April | Teodoro | Saint Teodoro | 117 Greece | |
| 15 of April | Pausilipo | Saint Pausilipo | 117 Greece | |
| 16 of April | Drogo | Saint Drogo | 1186 France | |
| 16 of April | Fructuoso | Saint Fructuoso of Braga | 665 Portugal | |
| 16 of April | Toribio | Saint Toribio | Spain | |
| 16 of April | Joaquín | Blessed Joachim of Siena | 1306 | |
| 16 of April | Contardo | Saint Contardo of Brona | 1249 Italy | |
| 16 of April | Magno | Saint Magno of las Órcadas | 1116 United kingdom | |
| 16 of April | Optato | Saint Optato y compañeros mártires | Spain | |
| 16 of April | Leónidas | Saint Leónidas compañeras mártires | ||
| 16 of April | Benedict Joseph | Saint Benedict Joseph Labre | Italy | 1783 Italy |
| 17 of April | Aniceto | Saint Anicetus Pope | Syrian arab republic | 166 Italy |
| 17 of April | Pantagato | Saint Pantagato of Vienne | 540 France | |
| 17 of April | Ustazades | Saint Ustazades y compañeros | 341 Iraq | |
| 17 of April | Acacius | Saint Acacius of Melitene | 435 Armenia | |
| 17 of April | Jacobo | Blessed Giacomo of Cerqueto | 1367 | |
| 17 of April | Inocencio | Saint Inocencio of Tortona | Italy | |
| 17 of April | Enrique | Blessed Henry Heath | 1643 United kingdom | |
| 17 of April | Donnan | Saint Donnan abbot and companions | 617 United kingdom | |
| 17 of April | Roberto | Saint Roberto of Chaise-Dieu | 1067 France | |
| 17 of April | Roberto | Saint Roberto of Molesmes | 1111 France | |
| 18 of April | Perfecto | Saint Perfectus | 850 Spain | |
| 18 of April | Idesbaldo | Blessed Idesbald of Dune | 1167 Belgium | |
| 18 of April | Andrés | Blessed Andres Hibernon | 1602 Spain | |
| 18 of April | Andrés | Blessed Andrea of Montereale | 1479 Italy | |
| 18 of April | Eusebio | Saint Eusebio of Fano | 526 Italy | |
| 18 of April | Galdino | Saint Galdino | 1176 Italy | |
| 18 of April | Ursmaro | Saint Ursmaro | 713 Belgium | |
| 18 of April | Juan | Saint Juan Isauro | 842 | |
| 18 of April | José | Blessed Joseph Moreau | 1794 France | |
| 18 of April | Pusicio | Saint Pusicio | 341 Turkey | |
| 18 of April | Roman | Blessed Roman Archutowski | Poland | |
| 18 of April | Molasio | Saint Molasio | 638 Ireland | |
| 18 of April | Hermógenes | Saint Hermógenes | Armenia | |
| 18 of April | Elpidius | Saint Elpidius | Armenia | |
| 19 of April | León | Saint Leo IX pope | 1002 | 1054 |
| 19 of April | Expedito | Saint Expeditus | ||
| 19 of April | Bernardo | Blessed Bernard the Penitent | 1182 France | |
| 19 of April | Alphege | Saint Alphege of Canterbury | 1012 United kingdom | |
| 19 of April | Geroldo | Saint Geroldo | 978 Germany | |
| 19 of April | Jacobo | Blessed James Duckett | United kingdom | |
| 19 of April | Jorge | Saint Jorge of Antioquía | 818 Turkey | |
| 19 of April | Mapálico | Saint Mapálico | 250 Tunisia | |
| 20 of April | Vihón | Saint Vihón of frisia | Netherlands | 804 Germany |