February 15 (Eastern Orthodox liturgics)

• Apostle Onesimus of the Seventy (c. 109)[1][2][3][4]
• Martyr Major of Gaza (302)[1][3][5]
• Venerable Paphnutius, monk, and his daughter St. Euphrosyne,[6] nun, of Alexandria (5th century)[1][7][8] (see also: September 25)
• Venerable Eusebius, hermit, of Asikha in Syria (5th century)[1][3][9][10][11]
• Saint Theognius, Bishop of Bethelia near Gaza (523)[1][8]

• Saints Faustinus and Jovita, two brothers, belonging to the nobility of Brescia in Italy, zealous preachers of Orthodoxy, beheaded in their native city under Hadrian (2nd century)[12][13][note 2]
• Virgin-martyr Agape, in Terni (Teramo) in Italy (c. 273)[12][14][note 3]
• Martyr Craton and Companions, converted to Christ by St Valentine, Bishop of Terni, martyred in Rome together with his wife and family (c. 273)[12][note 4]
• Martyrs Saturninus, Castulus, Magnus and Lucius, who belonged to the flock of St Valentine, Bishop of Terni in Italy (273)[12][14]
• Saint Dochow (Dochau, Dogwyn), founder of a monastery in Cornwall (c. 473)[12][note 5]
• Saint Georgia, a holy virgin and later anchoress near Clermont in Auvergne in France (c. 500)[12][14][15]
• Saint Severus, a priest from the Abruzzi in Italy (c. 530)[12][16][note 6][note 7]
• Saint Quinidius, after living as a hermit in Aix in Provence, he became Bishop of Vaison in France (c. 579)[12][note 8]
• Saint Farannan, Confessor, a disciple of St Columba at Iona in Scotland (c. 590)[12][17][note 9]
• Saint Berach (Barachias, Berachius), disciple of St Kevin and founder of a monastery at Clusin-Coirpte in Connaught (6th century)[12][18][19]
• Saint Faustus, a disciple of St Benedict at Montecassino in Italy (6th century)[12]
• Saint Oswy, King of Northumbria (670)[1][8][20]
• Saint Decorosus, for thirty years Bishop of Capua in Italy, Confessor (695)[12][14]
• Saint Walfrid (Gualfredo) della Gherardesca (765)[12][21][note 10]
• Saints Winaman, Unaman and Sunaman, monks and nephews of St Sigfrid whom they followed to Sweden, martyred by pagans (c. 1040)[12][20]
• Saint Sigfrid of Sweden, a priest and monk, probably at Glastonbury in England, who went to enlighten Sweden, based in Växjö, and converted King Olaf of Sweden (1045)[12][20][22][note 11]
• Saint Druthmar, a monk at Lorsch Abbey, in 1014 he became Abbot of Corvey in Saxony in Germany (1046)[12]

• Venerable Paphnutius, recluse of the Kiev Caves Monastery (13th century)[1][8][23]
• Venerable Dalmatius of Siberia, Abbot and founder of the Dormition Monastery (1697)[24][25][26][note 12] (see also: June 10 - Synaxis of All Saints of Siberia)
• New martyr John of Thessaloniki (1776)[27]
• Venerable Anthimos (Vagianos) of Chios (1960)[3][28][29] (see also: February 2)

• Synaxis of the Church of St. John the Theologian at Diaconissa.[1][8][31][note 13]
• Synaxis of the Icon of the Mother of God of Vilnius.[32][33][34]
• Synaxis of Icon of the Mother of God of Dalmatia.[35][36][37][note 14]
• Repose of Blessed Stoina (Euphemia) of Devic Monastery, Serbia (1895)[1]
• Repose of Schema-monk Nikodim of Karoulia (1984)[1]
• Repose of Monk Marcu (Dumitrescu) of Sihastria (ro), Romania (1999)[1]

• 
  Martyrdom of Onesimus.
• 
  St. Euphrosyne of Alexandria.
• 
  Martyrdom of Saints Faustinus and Jovita.
• 
  Saint Sigfrid of Sweden.
• 
  Venerable Dalmatius of Siberia.

• February 15 / 28. Orthodox Calendar (Pravoslavie.ru).
• February 28 / 15. Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow).
• February 15. OCA - The Lives of the Saints.
• The Autonomous Orthodox Metropolia of Western Europe and the Americas. St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 15.
• The Fifteenth Day of the Month of February. Orthodoxy in China.
• February 15. Latin Saints of the Orthodox Patriarchate of Rome.
• The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. pp. 48-49.
• Rev. Richard Stanton. A Menology of England and Wales, or, Brief Memorials of the Ancient British and English Saints Arranged According to the Calendar, Together with the Martyrs of the 16th and 17th Centuries. London: Burns & Oates, 1892. pp. 69-72.

Greek Sources

• Great Synaxaristes: (in Greek) 15 Φεβρουαρίου. Μεγασ Συναξαριστησ.
• (in Greek) Συναξαριστής. 15 Φεβρουαρίου. Ecclesia.gr. (H Εκκλησια Τησ Ελλαδοσ).

Russian Sources

• (in Russian) 28 февраля (15 февраля). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).