Gary Rosenberg (born New Rochelle, New York, 16 October 1959) is an American malacologist.
He is currently the Pilsbry Chair and Curator of Malacology at the Academy of Natural Sciences of Philadelphia and a professor at Drexel University in the Department of Biodiversity, Earth and Environmental Science.
Rosenberg created "Malacolog", an online database of western Atlantic marine mollusks.
He also contributed significantly to the "Biotic Database of Indo-Pacific Marine Mollusks" and created an interactive key to the land snails of the West Indian island of Jamaica.
More recently he has contributed much work to the worldwide database of marine organisms, WoRMS.