''Viola langsdorffii'' is a species of ''Viola''. Commonly known as Alaskan violet and Aleutian violet, it is a plant from rather stout creeping rootstocks, glabrous, the stems ascending 5–30 cm long. ''V. langsdorffii'' has leaves that are long-petioled, round-cordate, and anywhere from 2.5 to 4 cm broad, crenate; stipules foliaceous, lanceolate, the lower usually incised. The flowers are pale violet, with petals 12–16 mm long, the three lower white at base, the lateral pair bearded; spur very short and stout, as broad as long; the head of styles not bearded. Alaskan and Aleutian specimens, with petals 20 mm long, are more robust than specimens from further south in it range.