Schisandra henryi subsp. hoatii, a new subspecies from Tay Nguyen (Central Highlands), Vietnam is described and illustrated. It differs from the subsp. marginalis and the typical subspecies by its flowers with 9–10 tepals, suborbicular largest tepals, essentially free stamens being 19–22 and carpels being 21–25; and differs from S. henryi subsp. yunnanensis in having leaf blades abaxially glausecent, yellow flowers, and 19–22 essentially free stamens. Detailed descriptions, color plates, a distribution map, notes on distribution and habitat, uses, conservation status and keys are provided.