正榧螺（学名：Oliva oliva），是新腹足目榧螺科榧螺属的一种。主要分布于马来西亚、印度尼西亚、**，常栖息在浅海。

Oliva oliva is a species of sea snail, a marine gastropod mollusc of the family Olividae, the olive snails.

This is the type species of the genus Oliva.