January 15 (Eastern Orthodox liturgics)
- Eastern Orthodox liturgical calendar - January 16
All fixed commemorations below are observed on January 28 by Eastern Orthodox Churches on the Old Calendar.
For January 15th, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 2.Saints
- Monk-martyr Pansophius of Alexandria
- Martyrs Elpidios, Danax, and Helen.
- Venerable Paul of Thebes
- Holy 6 Monk-Martyrs of the Desert, who reposed peacefully.
- Venerable Salome of Armenia, and Venerable Perozhavra of Sivnia, Georgia
- Venerable Alexander the Ever-Vigilant, founder of the Monastery of the Unsleeping Ones, at Gomon, in north-eastern Bithynia
- Venerable John Calabytes, the "hut-dweller" of Constantinople
- Venerable Prochorus, Abbot in the Vranski Desert on the River Pchinja, in Bulgaria
Pre-Schism Western saints
- Virgin-martyr Secundina, scourged to death near Rome in the persecution of Decius
- Martyr Ephysius of Sardinia
- Saint Maximus, Bishop of Nola
- Saints Maura and Britta, two holy virgins in France
- Saint Eugippius, ordained priest at Rome, was biographer of St Severinus of Noricum
- Saint Íte of Killeedy, Hermitess in Ireland and foster-mother of Saint Brendan
- Saint Maurus, disciple of St. Benedict of Nursia
- Saint Lleudadd, first Abbot of Bardsey Island, Wales
- Saint Sawyl Penuchel, the father of Asaph of Wales
- Saint Tarsicia of Rodez, an Anchoress who lived near Rodez, sister of St. Ferréol of Uzès
- Saint Malard, Bishop of Chartres, present at the Council of Châlon-sur-Saône in 650
- Saint Bonitus, Bishop of Clermont and Confessor, later a monk
- Saint Emebert, an early Bishop of Cambrai
- Saint Ceolwulf of Northumbria, King of Northumbria, encouraged monastic life
- Saint Blaithmaic, an Abbot from Ireland, went to Scotland and was martyred by the Danes on the altar steps of the church of Iona
Post-Schism Orthodox saints
- Venerable Gabriel, founder of Lesnovo Monastery, Serbia-Bulgaria
- Venerable Barlaam of Keret Lake
- New Hieromartyr Benjamin, Bishop of Romanov
- New Hieromartyr Michael Samsonov, Priest
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