- ✠ Saint Pachomius, Abbot
- ✠ Saint Palladius, First Bishop and Apostle of the Scots
- ✠ Saint Pamphilus, Martyr
- ✠ Saint Pantaleon, Physician and Martyr
- ✠ Saint Pantænus, Doctor of the Church and Apostle to the Indies
- ✠ Saint Paphnutius, Bishop in Egypt
- ✠ Saint Paschal Baylon, Franciscan Lay Brother
- ✠ St. Paternus, Bishop of Avranches
- ✠ Saint Patrick, Bishop, Apostle of Ireland
- ✠ Commemoration of St. Paul, Apostle of the Gentiles
- ✠ Conversion of St. Paul, Apostle to the Gentiles
- ✠ Saints Paul (and John), Martyrs
- ✠ St. Paul Hermit, the First Hermit
- ✠ St. Paul of the Cross, Founder of the Passionists
- ✠ Saint Paulinus of Nola, Bishop, Confessor
- ✠ Saint Perpetua (and Felicitas), Martyr
- ✠ St. Perpetuus, Bishop of Tours
- ✠ Basilicas of Sts. Peter and Paul
- ✠ Saints Peter and Paul, Apostles
- ✠ St. Peter Canisius, Doctor of the Church
- ✠ St. Peter Celestine, Pope
- ✠ St. Peter Chanel, Missionary and Martyr
- ✠ Saint Peter Claver, Jesuit Missionary
- ✠ St. Peter Damian, Cardinal Bishop
- ✠ Bl. Peter Favre of Villaret, First Jesuit Priest
- ✠ Saint Peter Fourier, Parish Priest of Mattaincourt, Reformer of the Canons of Saint Augustine, Founder of the Canonesses of Notre Dame
- ✠ St. Peter Gonzales, Dominican Priest
- ✠ St. Peter Nolasco, Founder
- ✠ St. Peter of Alcantara, Franciscan Priest, Reformer
- ✠ Saint Peter of Alexandria, Patriarch and Martyr
- ✠ Bl. Peter of Luxemburg, Bishop and Cardinal
- ✠ St. Peter of Verona, Dominican Priest and Martyr
- ✠ St. Peter-Julian Eymard, Priest, Founder of the Congregation of the Blessed Sacrament
- ✠ Sts. Peter, Andrew, Paul and Dionysia, Martyrs
- ✠ St. Peter's Chains
- ✠ St. Peter’s Chair at Antioch
- ✠ St. Peter’s Chair at Rome
- ✠ Saint Petronilla, Virgin
- ✠ Saints Philip and James, Apostles and Martyrs
- ✠ Saint Philip Benizi, Servite Priest
- ✠ Saint Philip Neri, Founder of the Society of the Oratory, Patron of Works of Youth, Apostle of Rome
- ✠ St. Philip of Jesus, Martyred at Nagasaki, Patron of the City of Mexico
- ✠ Saint Philogonius, Bishop of Antioch
- ✠ Saint Philomena, Virgin and Martyr
- ✠ Saint Pius I, Pope and Martyr
- ✠ Saint Pius V, Pope
- ✠ Saint Pius X, Pope
- ✠ Saint Placid, Martyr
- ✠ Saint Polycarp, Bishop, Martyr
- ✠ Saint Porphyry, Bishop of Gaza
- ✠ Saint Pothinus, Bishop, and Forty-Eight other Martyrs of Lyons
- ✠ Saint Praxedes, Virgin
- ✠ Saints Primus and Felicianus, Martyrs
- ✠ Saint Prosper of Aquitaine, Doctor of the Church
