鹊肾树（学名：Streblus asper）为桑科鹊肾树属下的一个种。

Streblus asper is a tree known by several common names, including Siamese rough bush, khoi, serut, and toothbrush tree. It is a medium-sized tree native to dry regions in Cambodia, Thailand, India, Sri Lanka, Malaysia, and Vietnam.

In the Republic of the Philippines, it is commonly known as "bogta-e","bogtalay", and "Kalyos". In Cambodia, it is known as Snay. Several rural communes in Cambodia were named after the tree such as Snay Pol village (Poisonous Snay) of Prey Veng and Krang Snay (Hill of Snay) of Kampot Province.