Allium atrosanguineum an Asian species of onion native to China, Siberia, Mongolia, and Central Asia. It grows high in the mountains at elevations of 2400–5400 m.

Allium atrosanguineum produces cylindrical bulbs up to 10 mm in diameter. Scapes are round in cross-section, up to 60 cm tall. Leaves are round in cross-section, usually shorter than the scapes. Umbels appear spherical from a distance, with many flowers. Tepals are pink, yellow, copper-colored, brass-colored or purple, sometimes with small dark spots.