Allium galanthum is an Asian species of onion in the amaryllis family, commonly called the snowdrop onion. It is native to Xinjiang, Mongolia, Altay Krai, and Kazakhstan. It grows at elevations of 500–1500 m.

Allium galanthum forms a cluster of bulbs, each up to 3 cm in diameter. Scapes are up to 60 cm tall. Leaves are tubular, about half as long as the scapes. Umbels are spherical with a large number of white flowers.