thumb|The [[Eastern Orthodox Church|Eastern Orthodox cross]]
June 26 - Eastern Orthodox Church calendar - June 28
All fixed commemorations below celebrated on July 10 by Orthodox Churches on the Old Calendar.
For June 27th, Orthodox Churches on the Old Calendar commemorate the saints listed on June 14.
Saints
- Saint Joanna the Myrrhbearer (1st century)
- Martyr Anectus of Caesarea Palaestina (298 or 304)
- Martyrs Therapon, Macarius, Marcius and Marcia.
- Hieromartyrs Crescens, Maximus, and Theonest, Bishops of Mainz, Germany (early 5th century)
- Venerable Sampson the Hospitable of Constantinople (530)
- Saint Severus of Interocrea in Italy (Severus d’Antrodoco), presbyter (6th century)
- Hieromartyr Pierius of Antioch, presbyter, by fire.
- Venerable Luke the Hermit.
Pre-Schism Western saints
- Saint Clement, a martyr in Córdoba in Spain under Diocletian (He belongs to the group led by St Zoilus) (c. 298)
- Saint Zoilus and Companions, a youth martyred in Córdoba in Spain under Diocletian (c. 301)|group=note
- Saint Deodatus of Nola, Deacon of St Paulinus of Nola in Italy and later his successor (473)
Post-Schism Orthodox saints
- Saint George of the Holy Mountain and Georgia (1065)
- Blessed Martin of Turov (after 1146)
- Martyrdom of Monk Luke (Mukhaidze) of Holy Cross Monastery in Jerusalem (1277)
- Venerable Serapion of Kozhaezersk Monastery (1611) (see also: October 19 )
- Hieromartyr Cyril Loukaris, Ecumenical Patriarch of Constantinople (1638)
New martyrs and confessors
- New Hieromartyr Gregory Nikolsky, priest, of Kuban (1918)
- New Hieromartyr Alexander Sidorov, priest (1918)
- New Hieromartyr Vladimir Sergeev, priest (1918)
- New Hieromartyr Kirion II, Catholicos-Patriarch of All Georgia (1918)
- New Hieromartyr Peter Ostroumov, priest (1939)
Other commemorations
- The narrative of Synesius of Cyrene, Philosopher and Bishop of Cyrene, about Evagrius the Philosopher and the 300 pieces of gold (c. 411)
- Uncovering of the relics of Optina Elders (1998):