The holy figures of the Eastern Orthodox Church (and of the Eastern Catholic Churches of the Byzantine Rite) have various customary saint titles with which they are commemorated on the liturgical calendar and in Divine Services.

The following list explains the references:

• Theologian: Has classical meaning, but only three saints are given the appellation Theologian: John the Theologian, Gregory the Theologian, and Symeon the New Theologian.
• Confessor: one who has suffered for the faith but not martyred outright
• Enlightener: the saint who first brought the faith to a people or region, or who did major work of evangelization there
• Equal-to-the-Apostles: one whose work greatly built up the Church, whether through direct missionary work or through assisting the Church's place in society
• Fool-for-Christ: a saint known for his apparent, yet holy insanity
• God-bearing: title given to one of the Holy Fathers
• Great-martyr: one who was martyred for the faith and suffered torture
• Healer: a saint who used the power of God to heal maladies and injuries
• Hieroconfessor: a confessor who is also a clergyman
• Hieromartyr: a martyr who is also a clergyman
• Martyr: one who has died for the faith
• Merciful: one known for charitable work, especially toward the poor
• Myrrhbearers: the first witnesses of the Resurrection of Jesus
• Myroblyte, Myrrh-gushing or Myrrh-streaming: the relics of the saint exude holy and sweet-smelling (and often miraculous) oil
• New-martyr: a martyr often bearing the same name as a more ancient martyr, but usually more recent in the Church's history
• Passion-bearer: one who faced his death in a Christ-like manner
• Prophet: an Old Testament saint who anticipated Christ
• Protomartyr: the first martyr in a given region (in the case of Stephen the Protomartyr, the first martyr of the whole Church)
• Right-Believing: an epithet used for sainted secular rulers
• Righteous: a holy person under the Old Covenant (Old Testament Israel) but also sometimes used for married saints of the New Covenant (the Church)
• Unmercenary Healer: a saint who used the power of God to heal maladies and injuries without charge
• Venerable: a monastic saint
• Venerable-martyr: a martyred monastic
• Virgin martyr: a celibate female martyr
• Wonder-worker: a saint renowned for performing miracles