| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 25 of April | Pasícrates | Saint Pasícrates | 302 Romania | |
| 25 of April | Pedro | Saint Pedro of Betancur | 1626 Spain | 1667 Guatemala |
| 26 of April | Pascasio | Saint Pascasio Radberto | 865 France | |
| 26 of April | Peregrino | Saint Peregrino | Italy | |
| 26 of April | Primitivo | Saint Primitivo of Gabio | Italy | |
| 27 of April | Pedro | Saint Peter Armengol | 1234 Spain | 1304 Spain |
| 27 of April | Polión | Saint Polión | 303 Hungary | |
| 28 of April | Pedro | Saint Peter Chanel | 1803 France | 1841 |
| 28 of April | Prudencio | Saint Prudencio de Tarazona | 720 Spain | 861 Spain |
| 28 of April | Polión | Saint Polión mártir | ||
| 28 of April | Pánfilo | Saint Pánfilo of Corfinio | Italy | |
| 30 of April | Pío | Saint Pío V pope | 1504 Italy | 1572 Italy |
| 30 of April | Peter | Blessed Peter the Deacon | 605 Italy | |
| 30 of April | Paulina | Blessed Pauline von Mallinckrodt | 1817 Germany | 1881 Germany |
| 30 of April | Pomponio | Saint Pomponio of Nápoles | Italy | |
| 1 of May | Peregrino | Saint Peregrino Laziosi | 1345 Italy | |
| 1 of May | Petronila | Blessed Petronilla of Moncel | 1355 France | |
| 3 of May | Pedro | Saint Pedro of Argo | 922 Greece | |
| 4 of May | Pelagia | Saint Pelagia virgen y mártir | ||
| 6 of May | Petronaco | Saint Petronaco | Italy | 725 Italy |
| 6 of May | Protógenes | Saint Protógenes obispo | ||
| 8 of May | Pedro | Saint Peter of Tarantasia | 1102 France | 1174 France |
| 9 of May | Pacomio | Saint Pacomio of Tebaida | Egypt | 348 Egypt |
| 12 of May | Pancracio | Saint Pancras of Rome | 290 Turkey | 304 Italy |
| 13 of May | Pedro | Saint Peter Regalado | 1390 Spain | 1456 Spain |
| 14 of May | Poncio | Saint Poncio of Cimiez | Italy | |
| 16 of May | Posidio | Saint Posidio of Calama | 437 Algeria | |
| 16 of May | Peregrino | Saint Peregrino of Auxerre | France | |
| 17 of May | Pascual | Saint Pascal Baylon | 1540 Spain | 1592 Spain |
| 17 of May | Pedro | Saint Pedro Liu Wenyuan | China | 1834 China |
| 18 of May | Potamón | Saint Potamón y compañeros | Egypt | |
| 19 of May | Pedro | Saint Peter Celestine Pope | 1296 Italy | |
| 19 of May | Peter | Blessed Peter Wrighy | 1651 United kingdom | |
| 20 of May | Protasio | Saint Protasio Chong Kuk-bo | 1839 Korea, republic of | |
| 21 of May | Paterno | Saint Paterno of Dariorige | France | |
| 21 of May | Polieucto | Saint Polieucto | Turkey | |
| 22 of May | Peter | Blessed Peter of the Assumption | 1617 | |
| 25 of May | Pedro | Saint Pedro Doan Van Van | Viet nam | 1857 Viet nam |
| 26 of May | Pedro | Saint Pedro Saintz y Jordá | 1680 Spain | 1747 China |
| 26 of May | Ponciano | Saint Ponciano Ngondwe | Uganda | 1886 Uganda |
| 26 of May | Prisco | Saint Prisco y compañeros | France | |
| 28 of May | Pablo | Saint Pablo Hanh | Viet nam | 1859 Viet nam |
| 30 of May | Palatino | Saint Palatino mártir | ||
| 31 of May | Petronila | Saint Petronilla of Rome | Italy | Italy |
| 1 of June | Próculo | Saint Próculo of Bolonia | Italy | |
| 2 of June | Potino | Saint Potino y compañeros | 177 France | |
| 3 of June | Pedro | Saint Pedro Dong | 1862 Viet nam | |
| 4 of June | Petroc | Saint Petroc of Cornualles | United kingdom | 594 United kingdom |
| 5 of June | Pacifico | Blessed Pacifico Ramati | 1420 Italy | 1482 Italy |
| 5 of June | Pedro | Saint Pedro Spanò | Italy | |
| 9 of June | Primo | Saint Primo mártir | Italy | |
| 11 of June | Paula | Saint Paula Frassinetti | 1809 Italy | 1882 Italy |
| 11 of June | Paris | Saint Paris of Treviso | 1267 Italy | |
| 12 of June | Plácido | Saint Plácido of Ocra | 1248 | |
| 14 of June | Proto | Saint Proto of Aquileya | Italy | |
| 17 of June | Paul | Blessed Paul Burali of Arezzo | 1511 Italy | 1578 Italy |
| 17 of June | Pedro | Saint Pedro Da | 1862 Viet nam | |
| 17 of June | Peter | Blessed Peter Gambacorta | 1355 Italy | 1435 Italy |
| 18 of June | Paula | Saint Paula mártir | ||
| 19 of June | Protasio | Saint Protasius of Milán | Italy | |
| 22 of June | Paulino | Saint Paulino of Nola | 354 France | 431 Italy |
| 23 of June | Peter | Blessed Peter James of Pésaro | 1496 Italy | |
| 25 of June | Próspero | Saint Próspero of Reggio | Italy | |
| 25 of June | Próspero | Saint Próspero of Aquitania | 463 France | |
| 26 of June | Pelayo | Saint Pelagius of Cordoba | 911 Spain | 925 Spain |
| 26 of June | Perseveranda | Saint Perseveranda | ||
| 28 of June | Pablo | Saint Pablo I papa | 767 Italy | |
| 29 of June | Pablo | Saint Paul Apostle | 5 Turkey | 68 Italy |
| 29 of June | Pedro | Saint Peter Apostle | Israel | 67 Italy |
| 30 of June | Protomártires | Saints Protomártires of la Iglesia Romana | Italy | |
| 2 of July | Proceso | Saint Proceso mártir | Italy | |
| 2 of July | Peter | Blessed Peter of Luxembourg | 1369 France | 1387 France |
| 4 of July | Peter | Blessed Peter George Frassati | 1925 Italy | |
| 6 of July | Paladio | Saint Paladio of Escocia | 432 United kingdom | |
| 6 of July | Pedro | Saint Pedro Wang Zuolong | 1900 China | |
| 7 of July | Panteno | Saint Panteno of Alejandría | Egypt | Egypt |
| 7 of July | Peter | Blessed Peter To Rot | 1945 French polynesia | |
| 8 of July | Procopio | Saint Procopius | Israel | 303 Israel |
| 8 of July | Pancracio | Saint Pancracio of Taormina | Italy | |
| 8 of July | Priscila | Saint Priscila | ||
| 9 of July | Paulina | Blessed Paulina of the Agonizing Heart of Jesus | 1942 Brazil | |
| 10 of July | Pascario | Saint Pascario of Nantes | France | |
| 10 of July | Pedro | Saint Pedro Vincioli | 1007 Italy | |
| 11 of July | Plácido | Saint Plácido of Disentis | Switzerland | |
| 11 of July | Pío | Saint Pío I papa | 155 | |
| 12 of July | Paterniano | Saint Paterniano of Fano | Italy | |
| 12 of July | Pedro | Saint Pedro Khanh | 1842 Viet nam | |
| 12 of July | Proclo | Saint Proclo of Ancira | Turkey | |
| 12 of July | Pastor | Saint Pastor of Compluto | 308 Spain | |
| 15 of July | Pompilio María | Saint Pompilio Maria Pirrotti | 1710 Italy | 1766 Italy |
| 15 of July | Pedro | Saint Pedro Nguyên Bá Tuân | 1838 Viet nam | |
| 15 of July | Plequelmo | Saint Plequelmo of Roermond | 713 Netherlands | |
| 17 of July | Paul | Blessed Paul Gojdich | 1888 | 1960 Slovakia (slovak republic) |
| 17 of July | Pedro | Saint Pedro Liu Ziyu | 1900 China | |
| 19 of July | Peter | Blessed Peter Crisci | 1323 Italy | |
| 20 of July | Pablo | Saint Pablo of Córdoba | 851 Spain | |
| 20 of July | Pedro | Saint Pedro Zhou Rixin | 1900 China | |
| 21 of July | Práxedes | Saint Práxedes of Roma | Italy | |
| 22 of July | Platón | Saint Platón of Ancira | Turkey | |
| 25 of July | Peter | Blessed Peter of Mogliano Corradini | 1490 Italy |