From Greek nectar, meaning 'of nectar' or 'sweet, divine drink'.
Nektarios descends directly from the ancient Greek *néktar* — the legendary drink of the Olympian gods, the substance that conferred immortality and whose very name signifies the defeat of death (*nek-*, death + *tar*, to carry across or overcome). To be named Nektarios is to carry within one's name the ancient Greek ideal of divine sustenance, sweetness, and transcendence over mortality. The suffix *-ios* is a classical Greek adjectival form, giving the name the sense of "one belonging to nectar" or "he who is of nectar."
The name entered the Christian tradition through Saint Nektarios of Aegina (1846–1920), one of the most beloved saints of the Greek Orthodox Church. Born Anastasios Kephalas in Thrace, he rose to become Metropolitan of Pentapolis before being unjustly deposed and spending his later years in humble ministry near Athens. Canonized in 1961, he became associated with miraculous healings, and his tomb on Aegina became one of the most visited pilgrimage sites in the Orthodox world.
His canonization transformed Nektarios from an antiquarian name into a living devotional choice for Greek Orthodox families. Outside Greece and Cyprus, Nektarios remains rare, marking its bearers as distinctly Greek Orthodox in heritage. Within those communities, it is a name of considerable spiritual weight — chosen not simply for its beauty but as a dedication to a modern saint whose life exemplified humility under injustice. The name's musicality — four syllables flowing with open vowels — has also given it a lyrical appeal that resonates beyond strictly religious contexts.