感应草（学名：Biophytum sensitivum）为酢浆草科感应草属下的一个种。

Biophytum sensitivum is a species of plant in the Oxalidaceae family and in the genus Biophytum. It is commonly found in Nepal, India and in other Southeast Asian countries and is used for medicinal purposes in Nepal and in India.During the last few decades, extensive research has been carried out to elucidate the chemistry, biological activities, and medicinal applications of B. sensitivum.