Jean-Pierre Rocroi is a French malacologist, a scientist who studies mollusks. He works at the Muséum national d'histoire naturelle in Paris.
In 2005, he was the junior author (editor) (with Philippe Bouchet) of a new taxonomy of the class Gastropoda, published in a paper titled "Classification and Nomenclator of Gastropod Families" published in the journal Malacologia. This taxonomy is shown in the Wikipedia article "Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)".