October 15 (Eastern Orthodox liturgics)
- Eastern Orthodox liturgical calendar - October 16
All fixed commemorations below celebrated on October 28 by Eastern Orthodox Churches on the Old Calendar.
For October 15th, Orthodox Churches on the Old Calendar commemorate the Saints listed on October 2.Saints
- Martyrs Sarbelus and his sister Bebaia, of Edessa
- Hieromartyr Lucian of Antioch, Presbyter of Greater Antioch
- Venerable Barsus the Confessor, Bishop of Edessa
- Saint Sabinus, Bishop of Catania, Wonderworker
- Venerable Euthymius the New, of Thessalonica, Confessor
Pre-Schism Western saints
- Saint Agileus, martyred in Carthage in North Africa,
- Saint Aurelia of Strasbourg
- Saint Severus of Trier, Bishop of Trier in Germany, Confessor
- Saint Antiochus of Lyon, Bishop of Lyon
- Saint Cannatus, Bishop of Marseilles in France after St Honoratus
- Saint Fortunatus, a martyr in Rome
- Saint Leonard of Vandœuvre, a hermit who founded Vandoeuvre, now Saint-Leonard-aux-Bois, near Le Mans in France
- Saint Thecla, Abbess, of Ochsenfurt, Germany
- Saint Odilo, a monk at Gorze Abbey in Lorraine in France, who became Abbot of Stavelot-Malmédy in Belgium
- Saint Callistus, martyr
- Saint Bruno of Merseburg, Archbishop of Mersburg, martyred by the heathen Prussians
- Saint Willa, a nun at Nonnberg Abbey near Salzburg in Austria who reposed as an anchoress
Post-Schism Orthodox saints
- Hieromartyr Lucian, Hieromonk of the Kiev Caves
- Saint John, Bishop of Suzdal
- Saint Dionysius, Archbishop of Suzdal
New Martys and Confessors
- New Hieromartyr Martyr Symeon Konyukhov, Priest
- New Hieromartyr Valerian Novitsky, Priest, of Telyadovich
- New Hieromartyr Demetrius Kasatkin, Priest
- New Hiero-confessor Athanasius, Bishop of Kovrov
- Synaxis of the 23 New Hieromartyrs of the Minsk Diocese of Belorussia :
Other commemorations
- Icon of the Most Holy Theotokos "She Who Ripens the Grain" / "The Grower of Crops"
Icon gallery