Symplocos celastrifolia is a plant in the family Symplocaceae, native to Southeast Asia. The specific epithet celastrifolia refers to the leaves' resemblance to those of species in the genus Celastrus.
Symplocos celastrifolia grows as a shrub or tree up to 30m (100feet) tall, with a trunk diameter of up to . The grey or brown bark is smooth, becoming scaly. The curved twigs develop lenticels with age. The leaves are elliptic to ovate and measure up to long, occasionally up to . The inflorescences feature racemes up to long and bear many white flowers. The fruits become purple blue when ripe.
Symplocos celastrifolia is broadly distributed in Southeast Asia: in Thailand, Peninsular Malaysia, Sumatra, Borneo, Sulawesi, the Maluku Islands, New Guinea and the Philippines. Its habitat is lowland forests, sometimes near the sea, or inland by rivers, at elevations to .