Jean-Pierre Sylvestre de Grateloup (31 December 1782 – 25 August 1862) was a French physician and naturalist.
He completed his medical studies at Montpellier and remained attached to the countryside of the southwest of France.
Then the shells found in the region attracted his attention, in particular those from the Adour.He practiced medicine in the military hospitals at Dax, where from his graduation from Montpellier in 1807 he worked in the company of Jean Thore (1762–1823).
Under the Bourbon Restoration he experienced setbacks in his career.