| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 16 of May | Germerio | Saint Germerio of Tolosa | France | |
| 16 of May | Honorato | Saint Honorato of Amiens | France | 653 France |
| 16 of May | Peregrino | Saint Peregrino of Auxerre | France | |
| 16 of May | Ubaldo | Saint Ubaldo of Gubbio | Italy | 1160 Italy |
| 16 of May | Vitalij | Blessed Vitalij Vladimir Bajrak | 1907 Ukraine | 1946 Ukraine |
| 16 of May | Audas | Saint Audas, bishop and martyr | 375 Iran | |
| 17 of May | Pascual | Saint Pascal Baylon | 1540 Spain | 1592 Spain |
| 17 of May | Arius | Saint Arius of Alexandria | Egypt | |
| 17 of May | Emilian | Saint Emilian of Vercelli | Italy | |
| 17 of May | Pedro | Saint Pedro Liu Wenyuan | China | 1834 China |
| 17 of May | Víctor | Saint Víctor of Alejandría | Egypt | Italy |
| 18 of May | Eric | Saint Eric IX | Sweden | 1161 Sweden |
| 18 of May | Juan | Saint Juan I papa | Italy | 526 Italy |
| 18 of May | Burcardo | Blessed Burchard of Beinwil | Switzerland | Switzerland |
| 18 of May | Dioscorus | Saint Dioscorus of Alexandria | 303 Egypt | |
| 18 of May | Félix | Saint Félix of Spalato | 299 Croatia (Hrvatska) | |
| 18 of May | Felix | Saint Felix of Cantalicio | 1515 Italy | 1587 Italy |
| 18 of May | Guillermo | Blessed William of Toulouse | 1369 France | |
| 18 of May | Potamón | Saint Potamón y compañeros | Egypt | |
| 19 of May | Pedro | Saint Peter Celestine Pope | 1296 Italy | |
| 19 of May | Ivo | Saint Yves | 1303 France | |
| 19 of May | Adolphus | Saint Adolphus of Arras | 728 France | |
| 19 of May | Agustín | Blessed Agustino Novello | 1310 Italy | |
| 19 of May | Crispin | Saint Crispin of Viterbo | Italy | 1750 Italy |
| 19 of May | Dunstan | Saint Dunstan of Canterbury | 988 United kingdom | |
| 19 of May | Urbano | Saint Urbano I papa | 230 Italy | |
| 19 of May | Dominic | Juan of Saint Dominic Martínez | 1619 Japan | |
| 19 of May | Juan | Blessed John Baptist Louis Loir | 1794 France | |
| 19 of May | Peter | Blessed Peter Wrighy | 1651 United kingdom | |
| 19 of May | Teófilo | Saint Teófilo of Corte | 1740 Italy | |
| 20 of May | Bernardino | Saint Bernardine of Siena | 1380 Italy | 1444 Italy |
| 20 of May | Talaleo | Saint Talaleo | Italy | |
| 20 of May | Anastasius | Saint Anastasius of Brescia | Italy | |
| 20 of May | Arcángel | Blessed Archangelus Tadini | 1846 Italy | 1912 Italy |
| 20 of May | Austregisilus | Saint Austregisilus | 624 France | |
| 20 of May | Baudilius | Saint Baudilius of Nimes | France | |
| 20 of May | Guido | Blessed Guido of Gherardesca | 1134 Italy | |
| 20 of May | Hilario | Saint Hilario of Toulouse | France | |
| 20 of May | Lucífero | Saint Lucífero of Cagliari | 370 France | |
| 20 of May | Teodoro | Saint Teodoro of Pavía | 785 Italy | |
| 20 of May | Protasio | Saint Protasio Chong Kuk-bo | 1839 Korea, republic of | |
| 21 of May | Cristóbal | Saint Christopher Magallanes and companions | 1869 Mexico | 1927 Mexico |
| 21 of May | Eugenio | Saint Eugenio of Mazenod | 1782 France | 1861 France |
| 21 of May | Hemming | Saint Hemming | 1366 Finland | |
| 21 of May | Hospicio | Saint Hospicio of Niza | 581 France | |
| 21 of May | Juan | Blessed Jean Mopinot | 1794 France | |
| 21 of May | Mancio | Saint Mancio | Portugal | |
| 21 of May | Paterno | Saint Paterno of Dariorige | France | |
| 21 of May | Polieucto | Saint Polieucto | Turkey | |
| 21 of May | Teobaldo | Saint Teobaldo of Vienne | 1001 France | |
| 21 of May | Timoteo | Saint Timoteo of Mauritania | Mauritania | |
| 22 of May | Atto | Saint Atto of Pistoia | 1153 Italy | |
| 22 of May | Ausonius | Saint Ausonius of Angulema | France | |
| 22 of May | Basilisk | Saint Basilisk of Comana | Turkey | |
| 22 of May | Domingo | Saint Domingo Ngon | Viet nam | 1862 Viet nam |
| 22 of May | Juan | Blessed John Forest | 1538 United kingdom | |
| 22 of May | Lupo | Saint Lupo of Limoges | 637 France | |
| 22 of May | Matías | Blessed Matthew of Arima | 1620 Japan | |
| 22 of May | Miguel | Saint Miguel Ho Dihn Hy | China | 1857 China |
| 22 of May | Peter | Blessed Peter of the Assumption | 1617 | |
| 22 of May | Juan | Blessed John Baptist Machado | 1617 Japan | |
| 22 of May | Juan | Saint Juan of Parma | Italy | |
| 23 of May | Desiderio | Saint Desiderius of Langres | 355 France | |
| 23 of May | Guiberto | Saint Guiberto | 962 Belgium | |
| 23 of May | Ephebe | Saint Ephebe of Naples | Italy | |
| 23 of May | Juan | Saint Juan Bautista of Rossi | 1698 Italy | 1764 Italy |
| 23 of May | Miguel | Saint Miguel of Sinada | 826 Turkey | |
| 23 of May | Eutiquio | Saint Eutiquio of Nursia | 487 Italy | |
| 23 of May | Honorato | Saint Honorato of Subiaco | Italy | |
| 23 of May | Siagrio | Saint Siagrio | 787 Italy | |
| 23 of May | Spes | Saint Spes of Nursia | 517 Italy | |
| 24 of May | Zoelo | Saint Zoelo of Listra | Turkey | |
| 24 of May | Mánahen | Saint Mánahen | ||
| 24 of May | Luis | Blessed Louis Zephirin Moreau | 1824 Canada | 1901 Canada |
| 24 of May | Vicente | Saint Vicente of Lérins | 450 France | |
| 24 of May | Felipe | Blessed Filippo of Piacenza | 1306 Italy | |
| 24 of May | Juan | Blessed John of Prado | 1563 Spain | 1636 Morocco |
| 24 of May | Sérvulo | Saint Sérvulo of Trieste | Italy | |
| 24 of May | Simeón | Saint Simeón Estilita el Joven | 521 Syrian arab republic | 597 Syrian arab republic |
| 25 of May | Beda | Saint Bede the Venerable | 672 United kingdom | 735 United kingdom |
| 25 of May | Gregorio | Saint Gregory VII pope | 1020 Italy | 1085 Italy |
| 25 of May | Aldhelm | Saint Aldhelm | 709 United kingdom | |
| 25 of May | Canius | Saint Canius of Atella | Italy | |
| 25 of May | Dionysus | Saint Dionysus Ssebuggwawo | Uganda | 1886 Uganda |
| 25 of May | Dionysius | Saint Dionysius of Milán | Italy | 361 Armenia |
| 25 of May | Genadio | Saint Genadio of Astorga | Spain | 936 Spain |
| 25 of May | Gerardo | Blessed Gerard Mecatti | 1245 Italy | |
| 25 of May | Gerio | Blessed Gerard of Lunel | 1270 Italy | |
| 25 of May | Jacobo | Blessed Giacomo Bertoni | 1483 Italy | |
| 25 of May | León | Saint León of Troyes | ||
| 25 of May | Nicholas | Blessed Nicholas Cehelski | 1896 Ukraine | 1951 Ukraine |
| 25 of May | Pedro | Saint Pedro Doan Van Van | Viet nam | 1857 Viet nam |
| 25 of May | Zenobio | Saint Zenobio of Florencia | Italy | Italy |
| 26 of May | Felipe | Saint Philip Neri | 1515 Italy | 1595 Italy |
| 26 of May | Andrés | Blessed Andrew Franchi | 1335 Italy | 1401 Italy |
| 26 of May | Andrew | Saint Andrew Kaggwa | Uganda | 1886 Uganda |
| 26 of May | Berengere | Saint Berenger of Saint-Papoul | 1093 France | |
| 26 of May | Desiderius | Saint Desiderius of Vienne | France | France |
| 26 of May | Eleutherius | Saint Eleutherius pope | 189 Italy | |
| 26 of May | Francisco | Blessed Francesco Patrizi | 1328 Italy |