July 15 - Eastern Orthodox liturgical calendar - July 17

All fixed commemorations below are celebrated on July 29 by Old Calendar.^{[note 1]}

For July 16th, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 3.

• Saint Kyriakos the Executioner (Cyriacus), who had beheaded the martyr Antiochus of Sulcis, then converted to Christ and was beheaded (c. 110)^[1][2] (see also: December 13)
• Martyr Faustus, by crucifixion, under Decius (c. 249-251)^{[2][3][4][5][note 2]}
• Martyrs Paul and his two sisters Chionia (Thea) and Alevtina (Valentina) at Caesarea Palaestina (308)^{[7][8][9][10]} (see also: July 18)
• Hieromartyr Athenogenes, Bishop of Heracleopolis, and his ten disciples (c. 311)^{[11][2][4][5][7][12][note 3][note 4]}

• Martyr Athenogenes, by fire.^[2][5][13]

• Martyr Antiochus of Sebaste, Physician (4th century)^{[5][7][9][14][15]}
• 15,000 Martyrs of Pisidia, who believed in Christ through Saint Marina, by the sword.^{[2][4][5][7][16]}
• Many Holy Women Martyred by the sword.^{[2][4][5][17]}
• Saint Anastasius I, Bishop of Thessaloniki, a father of the Fourth Ecumenical Council (via his representative) (451)^[2][18]
• Saint Auxitheus (or Eudoxius), Bishop of Thessaloniki, one of the great Fathers of the Fourth Ecumenical Council (458)^[2][19]

• Saint Domnio, a martyr in Bergamo in Italy under Diocletian (c. 295)^{[20][note 5]}
• Saint Valentine of Trier, Bishop of Trier in Germany (or more probably Tongres in Belgium), under Diocletian (c. 305)^{[20][note 6]}
• Virgin-martyr Julia of Carthage, by crucifixion, at Corsica (c. 440)^{[5][7][9][20][21][22][note 7]}
• Martyr Helier of Jersey (6th century)^{[7][9][20][23][24][note 8]}
• Saint Reineldis (Raineldis, Reinaldes) and Companions, martyred by the Huns (c. 680)^{[20][25][note 9][note 10]}
• Saint Generosus, Abbot of Saint-Jouin-de-Marnes in Poitou in France (c. 682)^[20]
• Saint Ténénan, Bishop of Léon (7th century)^{[9][20][24][26][note 11]}
• Saint Vitalian of Capua, Bishop of Capua in Italy (7th century)^{[20][27][note 12]}
• Saint Vitalian of Osimo, Bishop of Osimo in Italy (776)^[20]
• Martyr Sisenandus Córdoba, a Deacon in the church of St Acisclus in Córdoba in Spain, beheaded under Abderrahman II (851)^{[5][20][note 13]}
• Saint Irmengard (Irmgard of Chiemsee), Abbess of Buchau and then of Chiemsee in Germany (866)^[20]

• Saint John of Vishnya and Mt. Athos, activist against Uniatism (c. 1630)^[7]
• New Martyr John of Turnovo (1822)^[7][9]
• Saint Theodotus, monk of Glinsk Hermitage (1859)^[7]

• Icon of the Mother of God of Chirsk-Pskov (1420)^{[7][9][10][31]}

• Virgin-martyr Julia of Carthage.
• Virgin-martyr Julia of Carthage.
• St. Helier of Jersey.
• Reliquary of St. Irmengard of Chiemsee.
• New Confessor Matrona Belyakova, Fool-for-Christ, of Anemnyasevo.
• New Hieromartyr Jacob (Maskaev), Archbishop of Barnaul.