A new species of Viola (Violaceae) from Jiangxi Province, China, is described and illustrated. Viola jinggangshanensis Z.L. Ning & J.P. Liao is the sixth species in Viola sect. Diffusae, and is distinct from the sympatric V. diffusa by having conspicuously stipitate spherical glands on the lateral petals, sepals with dark-red spots, leaf blade adaxially dark green, abaxially purplish, both surfaces densely papillose-hispid, base of leaves shallowly cordate or truncate, narrowly decurrent on petioles, and capsules ovoid-orbicular, 3–4 mm long and 1.5–2 mm in diameter.