Nagas: The Serpent Beings of Buddhism

By Tim Yu · Updated 2026-06-08

Nagas are the serpent beings of Buddhist myth — a class of powerful, semidivine creatures, half human and half cobra, who move between the human world and the hidden realms of water and earth. Shared across the religions of India, they appear throughout Buddhist art and story as guardians: of treasure, of temples, of the rains, and of the Buddha’s teaching itself. They are among the most beloved of the many beings that fill Buddhist cosmology.

Half human, half serpent

As Encyclopædia Britannica describes them, the nagas are, “in Hinduism, Buddhism, and Jainism, a class of mythical semidivine beings, half human and half cobra” — “a strong, handsome species” who “can assume either wholly human or wholly serpentine form” and are “potentially dangerous but often beneficial to humans.” They are not gods of the heavens, nor beings of the lower realms, but a distinct order of powerful nature-spirits.

Above all, nagas are tied to water. Britannica notes they are “associated with waters — rivers, lakes, seas, and wells — and are guardians of treasure,” dwelling in an underground kingdom called Naga-loka (or Pātāla-loka), “filled with resplendent palaces, beautifully ornamented with precious gems.” As lords of water they can send the life-giving rains and the fertility they bring — or, when slighted, drought and flood.

Mucalinda: the serpent who sheltered the Buddha

The most famous naga of all appears in one of the tenderest episodes of the Buddha’s life. Soon after his awakening, as the Buddha sat in deep meditation, a great storm broke. The naga king Mucalinda rose from his realm, coiled his vast body beneath the Buddha to lift him above the rising waters, and spread his great cobra hood over the Buddha’s head like a canopy — sheltering him from the wind and rain for seven days and nights, until the storm passed.

The image of the serene Buddha seated upon the coils of the serpent, framed by its protective hood, became one of the most beloved in all of Buddhist art. Britannica notes it is “beautifully depicted in the 9th–13th century Mon-Khmer Buddhas” of what are now Thailand and Cambodia, where the Mucalinda Buddha is among the classic forms of the image.

The serpent who wanted to be a monk

One of the gentlest stories in the monastic code concerns a naga who longed so deeply for the holy life that he took human form and was ordained as a monk. All went well until, asleep one night, he relaxed into his true shape — and his roommate woke to find a great serpent coiled in the hut. Summoned before the Buddha, the naga was told, with compassion, that he could not remain in the order: the Saṅgha is for human beings, who alone can fully walk the path. The creature wept. The Buddha consoled him, gave him the five precepts to keep so that he might be reborn human and try again, and — so that the naga’s longing would never be forgotten — decreed that every candidate for ordination would thereafter be called a nāga, and asked, before all else, “Are you a human being?” To this day that question is put to those seeking to become monks: a quiet memorial to a serpent who wanted only to be good.

Guardians of the Dharma

Across the Buddhist world the naga’s role is overwhelmingly protective. Britannica records that “in Buddhism, nagas are often represented as door guardians” — coiled at temple entrances and along the balustrades of stairways — “or, as in Tibet, as minor deities.” They guard sacred space and sacred treasure alike.

That guardianship extends, in tradition, to the teaching itself. A cherished story of the Mahayana holds that the most profound Perfection of Wisdom scriptures were entrusted to the nagas for safekeeping in their underwater realm until the world was ready to receive them — and were later retrieved from them by the great philosopher Nāgārjuna, whose very name (nāga + arjuna) recalls the serpents. It is a fittingly mythic origin for the literature of emptiness.

From the storm-shelter of Mucalinda to the temple gate to the deep keeping of the sutras, the naga is, throughout, a friend and protector — a reminder that in the vast Buddhist cosmos, not all power is to be feared, and some of it bends, gracefully, toward sheltering the awakening of beings. (For the wider world of these beings, see Buddhist cosmology; unfamiliar terms are in the glossary.)