Hypericum hirsutum is a flowering plant in the genus Hypericum commonly known as hairy St John's-wort. It is found in Western Europe.
Hypericum hirsutum is a downy perennial plant that grows to two or three feet. It has erect stems and opposite pairs of untoothed, elongated oval leaves with translucent glandular dots. The terminal inflorescences have many pale yellow flowers. Each has five pointed sepals with stalked black dots on the margins. Hypericum hirsutum is a species of temperate regions and grows in Europe and western Siberia.