Purple sea urchin can refer to one of several species of sea urchin:
- Arbacia punctulata , a species of sea urchin from the family Arbaciidae commonly known as the Atlantic purple sea urchin
- Paracentrotus lividus , a species of sea urchin in the family Parechinidae commonly known as the purple sea urchin
- Strongylocentrotus purpuratus , a species of sea urchin in the family Strongylocentrotidae commonly known as the purple sea urchin
This page is an index of articles on animal species (or higher taxonomic groups) with the same common name (vernacular name). If an internal link led you here, you may wish to edit the linking article so that it links directly to the intended article.