蚵岩螺（学名：Thais clavigera），是新腹足目骨螺科Thais的一种。主要分布于越南、马来西亚、韩国、中国大陆、**，常栖息在潮间带岩礁区。

Thais clavigera is a species of predatory sea snail with an operculum, a marine gastropod mollusk in the family Muricidae, the rock shells.

This is an intertidal species, found on rocky shores in Malaysia, Singapore and Indo-China.

This species has been found to be useful as an indicator of the environmental contamination levels of arsenic, copper, and zinc.