Hieracium virosum is a species of flowering plant in the hawkweed genus Hieracium (family Asteraceae). It is native to non-arid temperate areas of Eurasia, from southeastern and eastern Europe, Central Asia, across Siberia, Mongolia, northern China, and as far as Sakhalin island. A perennial of the steppes and forest-steppes, it is not apomictic.
The following subspecies are accepted: