笠瓷螺（学名：Thyca ectoconcha），是中腹足目笠瓷螺科笠瓷螺属的一种。主要分布于**，常附着于海星的腕足上。

Thyca ectoconcha is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of multiple known species to exist within the genus, Thyca.