| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 1 of April | Pedro | Saint Pedro Calungsod | 1672 Guam | |
| 20 of July | Pedro | Saint Pedro Zhou Rixin | 1900 China | |
| 11 of February | Pedro de Jesús | Saint Peter of Jesus Maldonado | 1892 Mexico | 1927 Mexico |
| 4 of May | Pelagia | Saint Pelagia virgen y mártir | ||
| 8 of October | Pelagia | Saint Pelagia of Antioquía | 302 Syrian arab republic | |
| 28 of August | Pelagio | Saint Pelagio of Constanza | Romania | |
| 26 of June | Pelayo | Saint Pelagius of Cordoba | 911 Spain | 925 Spain |
| 7 of April | Pelusio | Saint Pelusio | Egypt | |
| 16 of May | Peregrino | Saint Peregrino of Auxerre | France | |
| 18 of April | Perfecto | Saint Perfectus | 850 Spain | |
| 7 of March | Perpetua | Saints Felicitas and Perpetua | 203 Tunisia | |
| 31 of May | Petronila | Saint Petronilla of Rome | Italy | Italy |
| 2 of December | Pimenio | Saint Pimenio | Italy | Italy |
| 11 of March | Pionio | Saint Pionio | 250 | |
| 11 of July | Plácido | Saint Plácido of Disentis | Switzerland | |
| 22 of July | Platón | Saint Platón of Ancira | Turkey | |
| 23 of February | Policarpo | Saint Polycarp | 155 Turkey | |
| 6 of December | Policronio | Saint Policronio | ||
| 21 of May | Polieucto | Saint Polieucto | Turkey | |
| 7 of January | Polieuto | Saint Polieuto | 250 Armenia | |
| 10 of December | Poliodoro | Saint Poliodoro Plasden | United kingdom | 1591 United kingdom |
| 27 of April | Polión | Saint Polión | 303 Hungary | |
| 28 of April | Polión | Saint Polión mártir | ||
| 19 of September | Pomposa | Saint Pomposa of Córdoba | Spain | 853 Spain |
| 13 of August | Ponciano | Saint Ponciano papa | 236 Italy | |
| 26 of May | Ponciano | Saint Ponciano Ngondwe | Uganda | 1886 Uganda |
| 19 of January | Ponciano | Saint Ponciano | Italy | |
| 14 of May | Poncio | Saint Poncio of Cimiez | Italy | |
| 5 of February | Ponto | Saints Mártires del Ponto | Italy | |
| 12 of August | Porcaro | Saint Porcaro y compañeros | France | |
| 18 of May | Potamón | Saint Potamón y compañeros | Egypt | |
| 2 of June | Potino | Saint Potino y compañeros | 177 France | |
| 14 of January | Potito | Saint Potito | ||
| 26 of April | Primitivo | Saint Primitivo of Gabio | Italy | |
| 27 of November | Primitivo | Saint Primitivo | Spain | Spain |
| 9 of June | Primo | Saint Primo mártir | Italy | |
| 18 of January | Prisca | Saint Prisca | 486 Italy | 499 Italy |
| 16 of September | Prisco | Saint Prisco of Nocera of los Paganos | Italy | |
| 26 of May | Prisco | Saint Prisco y compañeros | France | |
| 1 of September | Prisco | Saint Prisco of Capua | Italy | |
| 21 of August | Privado | Saint Privado gábalo | 407 France | |
| 2 of July | Proceso | Saint Proceso mártir | Italy | |
| 12 of July | Proclo | Saint Proclo of Ancira | Turkey | |
| 8 of July | Procopio | Saint Procopius | Israel | 303 Israel |
| 1 of June | Próculo | Saint Próculo of Bolonia | Italy | |
| 1 of December | Próculo | Saint Próculo | ||
| 20 of May | Protasio | Saint Protasio Chong Kuk-bo | 1839 Korea, republic of | |
| 28 of March | Proterio | Saint Proterio of Alejandría | 454 Egypt | |
| 14 of June | Proto | Saint Proto of Aquileya | Italy | |
| 21 of January | Publio | Saint Publio | Greece | |
| 18 of April | Pusicio | Saint Pusicio | 341 Turkey | |
| 21 of August | Quatratus | Saint Quadratus of Útica | ||
| 8 of July | Quiliano | Saint Quiliano of Herbipoli | Ireland | Germany |
| 4 of October | Quintín | Saint Quintín of Turón | France | |
| 31 of October | Quintín | Saint Quintín of Vermand | Belgium | |
| 5 of September | Quinto | Saint Quinto of Capua | Italy | |
| 1 of April | Quionia | Saint Quionia | 304 Macedonia, the former yugoslav republic of | |
| 16 of June | Quirico | Saint Quirico mártir | ||
| 25 of March | Quirino | Saint Quirino of Roma | Italy | |
| 4 of June | Quirino | Saint Quirino of Sisak | Croatia (Hrvatska) | 308 Hungary |
| 30 of April | Quirino | Saint Quirino tribuno | Italy | |
| 19 of February | Quodvuldeo | Saint Quodvuldeo | 439 Italy | |
| 4 of August | Rainero | Saint Rainero of Split | 1180 Croatia (Hrvatska) | |
| 13 of March | Ramiro | Saint Ramiro y compañeros mártires | Spain | |
| 27 of May | Ranulfo | Saint Ranulfo of Arras | ||
| 7 of September | Regina | Saint Regina of Autun | 286 France | |
| 29 of September | Renato | Saint Renato Goupil | 1642 Canada | |
| 8 of October | Reparada | Saint Reparada virgen y mártir | ||
| 17 of May | Restituta | Saint Restituta | 304 | |
| 27 of May | Restituto | Saint Restituto mártir | Italy | |
| 17 of October | Ricardo | Saint Ricardo Gwyn | 1584 United kingdom | |
| 21 of February | Roberto | Saint Roberto Southwell | 1595 United kingdom | |
| 1 of December | Rodolfo | Saint Rodolfo Sherwin | United kingdom | 1581 United kingdom |
| 28 of October | Rodrigo | Saint Rodrigo Aguilar | 1875 Mexico | 1927 Mexico |
| 26 of October | Rogaciano | Saint Rogaciano of Cartago | Tunisia | |
| 1 of December | Rogato | Saint Rogato | ||
| 22 of November | Rogerio | Saint Rogerio monje | ||
| 18 of November | Román | Saint Román of Antioquía | 304 Reunion | |
| 21 of April | Romás | Saint Romás Adame | 1927 Mexico | |
| 6 of July | Rómulo | Saint Rómulo of Fiésole | Italy | |
| 16 of November | Roque | Saint Roque González y compañeros | 1576 Paraguay | 1628 Paraguay |
| 16 of August | Rosa | Saint Rosa Fan Hui | China | 1900 China |
| 8 of July | Rufina | Saint Rufina | Italy | 257 Italy |
| 14 of June | Rufino | Saint Rufino of Soissons | Belgium | |
| 11 of August | Rufino | Saint Rufino of Asís | Italy | |
| 27 of August | Rufo | Saint Rufo of Capua | Italy | |
| 28 of November | Rufo | Saint Rufo | ||
| 24 of June | Rumoldo | Saint Rumoldo of Malinas | 775 Netherlands | |
| 2 of August | Rutilio | Saint Rutilio mártir | 212 | |
| 12 of April | Sabas | Saint Sabas Godo | 372 Turkey | |
| 13 of April | Sabás | Saint Sabás Reyes | 1883 Mexico | 1927 Mexico |
| 27 of October | Sabina | Saint Sabina of Talavera | Spain | 304 Spain |
| 24 of January | Sabiniano | Saint Sabiniano | France | |
| 13 of March | Sabino | Saint Sabino of Egipto | ||
| 7 of December | Sabino | Saint Sabino | Italy | 300 Italy |
| 11 of July | Sabino | Saint Sabino of Brescia | Italy | |
| 18 of February | Sadoth | Saint Sadoth y compañeros | 342 Syrian arab republic | |
| 6 of October | Ságar | Saint Ságar of Laodicea | 170 Turkey | |
| 24 of August | Saint Bartholomew Apostle | Saint Bartolomé apóstol | Israel | India |
| 25 of June | Salomón | Saint Salomón of Bretaña | France | 874 France |