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| Nabor of Milan, Roman Soldier and Martyr |
| Narcissus, Bishop of Gerona, Martyr, Apostle to Augsburg |
| Narcissus, Bishop of Jerusalem |
| Natalia of Cordoba. Virgin and Martyr |
| Natalia, Wife of St. Adrian and Martyr |
| Nate (Nathy) of Achad (Achonry, Co. Sligo), Irish Bishop and Abbot |
| Nazaria Ignacia March Mesa, Foundress of the Missionaries of the Crusade |
| Nectarios of Aegina, Metropolitan of Pentopolis |
| Nectarius, Confessor, Companion of St. Austremonius |
| Neemtallah Kassab El Hardeeny (born Joseph Kassab), Maronite Priest |
| Neon, Martyred in Cappadocia, venerated in Langres |
| Neophytus |
| Nereus of Rome, Praetorian Guard, Martyr |
| Nerses, Armenian Catholicos |
| Nestor, Bishop of Magido |
| Nicander, Bishop of Myra, Martyr |
| Nicanor, one of the first seven deacons of Jerusalem |
| Nicasius, Bishop of Rheims, Martyr |
| Nicephorus, Patriarch of Constantinople |
| Nicetas of Caesarea, Abbot of Medikios |
| Nicetas of Remesiana, Bishop of Remesiana, Church Father, encouraged Latin Church music, composed the “Te Deum” |
| Nicetius (Nizier). Bishop of Lyon |
| Nicetius, Bishop of Trier |
| Nicholas Albergati, Bishop of Bologna |
| Nicholas of Cusa, Prince-Bishop of Brixen, philosopher, theologian, jurist, astronomer |
| Nicholas of Flue, Swiss Hermit |
| Nicholas of Myra (and Bari – “Santa Claus”) Bishop |
| Nicholas of Pskov, Russian Fool for Christ |
| Nicholas of Tolentino, Augustinian Priest |
| Nicholas Owen, Jesuit Lay-brother, Builder of Priest Holes, Martyr |
| Nicholas Pelegrinus (the Pilgrim) |
| Nicodemus of Meteoron, Martyr |
| Nicodemus the Pharisee |
| Nicola da Gesturi (Giovanni Angelo Salvatore Medda) Sardinian Capuchin |
| Nicola Rusca, Diocesan Priest (Como), Martyr |
| Nicomedes of Rome, Priest and Martyr |
| Nil (Nilus) the Myroblite (Myrrh-streamer) of Mount Athos, Hermit |
| Nilos of Rossano “the Younger,” Abbot |
| Ninian of Whithorn “Candida Casa”, Bishop, Apostle to the Scots |
| Ninidh, Abbot of Lough Erne, Ireland |
| Nino, Virgin, Evangelizer of Georgia |
| Nivard de Clairvaux, Cistercian Monk, younger brother of St. Bernard of Claivaux |
| Nonna of Nazianzus, Mother of Gregory of Nazianzus |
| Nonnosus, Benedictine Abbot |
| Norbert, Bishop of Magdeburg, Founder of the Norbertines (Premonstratensians) |
| Nostriano, Bishop of Naples |
| Notburga, Cook, Patroness of Servants and Peasants |
| Notker the Stammerer |
| Novatius |
| Nuno Alavares Pereira, Portuguese Carmelite |
| Nunzio Sulprizio, Patron of Blacksmiths and the Disabled |
| Nympha, companion of Tryphon, Martyr |