Viola cornuta, known as horned pansy or horned violet, is a species of flowering plant in the violet family Violaceae, native to the Pyrenees and the Cordillera Cantábrica of northern Spain at an altitude of . It is a low-growing, clump-forming temperate evergreen perennial, reaching in height and spread. It has mid-green ovate leaves with rounded teeth, and masses of delicate pale violet flowers in early summer. The flower consists of five strap-shaped petals with a slender spur.
This plant, and the white-flowered Alba Group, have gained the Royal Horticultural Society's Award of Garden Merit.
It is a known host of the pathogenic fungus Puccinia violae.
Viola cornuta is hardy to USDA zones 6âÂÂ11 (hardy in the UK to ). Many cultivars are hybrids with Viola àwittrockiana, designated as Viola àwilliamsii. Some of these, such as 'King Henry', may be hardy to zone 4.