Camellia maianhii from the North Central Coast Region of Vietnam is described and illustrated. The new Camellia species is tentatively placed in Camellia section Archecamellia (Theaceae). Camellia maianhii is most like Camellia puhoatensis but the morphological characteristics which differentiate it from other species in the section include pendulous pedicels; 5.5-6.5 cm diameter, nodding flowers; 14-15, red petals with both petal surfaces tomentose, and the possession of stout columellae. Information on the distribution, ecology, phenology, conservation status, and the vernacular name of the new taxon are also provided.