Oliva is a genus of medium-sized to large sea snails, marine gastropod mollusks in the subfamily Olivinae of the family Olividae, the olive snails or olive shells.

[2] Many former species of Oliva have been reclassified under genus Americoliva.

According to the World Register of Marine Species, the genus Oliva includes the following accepted species:[2] Media related to Oliva (genus) at Wikimedia Commons