Helladius of Kyiv was an Eastern Orthodox monk and saint who lived approximately between 1200 and 1300. Recognized as a venerable martyr, he is associated with the monastic traditions of the Kyiv Pechersk Lavra. His life and spiritual legacy are preserved within the Eastern Orthodox tradition, where he is honored for his religious devotion.
Life and death

Living during the 12th or 13th century, Helladius served as a monk. He is remembered as a venerable martyr within the Orthodox faith. Following his death, he was laid to rest at the Kyiv Pechersk Lavra, a significant monastic site.
Veneration
In the Orthodox tradition, Helladius is commemorated at the Kyiv Caves monastery. His feast day is observed on the Saturday following 14 September. He remains a recognized figure of devotion for those following the Eastern Orthodox faith.
