Himalayacalamus is an Asian genus of mountain clumping bamboo in the grass family.

[2][3] Species members are found growing at lower altitudes of the Himalaya in Bhutan, Tibet, India, and Nepal.

[4] The genus is often confused with Drepanostachyum.

That genus, however, features plants of many equal branches, Himalayacalamus species have one dominant branch.

As of January 2024[update], Plants of the World Online accepts the following species:[1]