May 15 (Eastern Orthodox liturgics)
May 14 - Eastern Orthodox Church calendar - May 16
All fixed commemorations below celebrated on May 28 by Orthodox Churches on the Old Calendar.
For May 15th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 2.
Saints
- The Seven Apostolic Men, Martyr Bishops, ordained in Rome by Saints Peter and Paul and sent to evangelize Spain :Saint Achillius, Bishop of Larissa Saint Pachomius the Great, founder of cenobitic monasticism
- Saint Silvanus of Tabennisi, disciple of Saint Pachomius the Great
- Saint Pyrrhus of Breti, one of Thirteen Assyrian Fathers
- Saint Barbarus the Myrrh-gusher of Greece
- Saint Panegyrios of Cyprus, Wonderworker of Malounta
Pre-Schism Western saints
- Saint Peter, Andrew, Paul, and Denise
- Martyrs Cassius, Victorinus, Maximus, and their companions, in the Auvergne in France
- Saint Eutychius of Ferento, bishop, martyr
- Martyr Simplicius of Olbia, Bishop, in Sardinia
- Saint Sophia of Rome
- Virgin recluse Caesarea of Otranto
- , bishop, martyr
- Saint Reticius, bishop of Autun
- Saint Kaleb of Axum, king
- Saint Severin of Sanseverino, Bishop of Settempeda
- Saint Hilary of Galeata, founder of the monastery called Galeata, later known as Sant'Ilaro
- Saint Colmán of Oughaval, a disciple of St Columba and St Fintan of Clonenagh
- Virgin-martyr Dymphna of Geel, Flanders
- Saint Gerebern, presbyter, martyr
- Saint Waldalenus, founder of monastery of Bèze in France
- Saint Bercthun, a disciple of St John of Beverley and first Abbot of Beverley in England
- Saint Bertha of Bingen, and her son Saint Rupert of Bingen
- Saint Witesind of Córdoba, martyr
- Saint Hallvard Vebjørnsson of Husaby
Post-Schism Orthodox saints
- Saint Anastasia of Latra
- Saint Panigirius of Cyprus, WonderworkerSaint Isaiah of Rostov, Bishop and Wonderworker
- Saint Isaiah of the Kiev Caves, wonderworker
- Saint Andrew the Hermit, of Mt. Kalana, Epirus, wonderworker
- of Nerekhta, abbot, and Saint Silvanus of Nerekhta
- Saint Cali of Anatolia
- Saint Euphrosynus of Pskov, abbot and wonderworker
- Saint Serapion of Pskov, disciple of St Euphrosynus of Pskov
- Saint Ignatius, Charalampius and Pamphilus, brothers and disciples of Euphrosynus of Pskov
- Saint Pachomius of Keno Lake Monastery Saint Demetrius of Moscow the Wonderworker, Slain Crown Prince
- Saint James of Putna, Metropolitan of Moldavia
- Saint Elias of Verkhoturye, schemamonk
- Saint Arethas of Valaam and Verkhoturye, archimandrite
New martyrs and confessors
- New Hieromartyrs:
Other commemorations
- Discovery of the revered icon of Kamoulianos "Acheiropoieta".
- Icon of the Most Holy Theotokos Kazan-Vysha
- Uncovering of the relics of Saint Arsenius of Konevits
- Uncovering of the relics of Saint Elias of Makeevka
- Translation of the sacred relics of the Holy Apostle Titus of Crete, from Venice, back to the Greek Orthodox Archdiocese of Crete
- Uncovering of the relics of Saint Tikhon, Bishop of Voronezh, wonderworker of Zadonsk