Allium platyspathum is an Asian species of wild onion. It has been reported from Xinjiang, Afghanistan, Kazakhstan, Kyrgyzstan, Mongolia, Altay Krai, Tajikistan, Uzbekistan, and Pakistan. It grows in damp locations at elevations of 1900–3700 m.

Allium platyspathum usually produces a single egg-shaped bulb up to 20 mm in diameter. Scape is up to 100 cm tall. Leaves are flat, linear, up to 20 mm across, about the same length as the scape. Umbel is a densely packed cluster of pink or lilac flowers.