厚壳树（学名：Ehretia thyrsiflora）为紫草科厚壳树属下的一个种。

Ehretia acuminata is a deciduous tree found in Japan, China, Bhutan, Nepal, Laos, Vietnam, New Guinea and Australia. Fossil evidence suggests an ancient Laurasian origin. This group of plants spread to Australia and South America via Africa, when these continents were still joined.