Olry Terquem (26 September 1797 in Metz – 19 June 1887 in Paris) was a French pharmacist and paleontologist.
Due to consequences of the Franco-Prussian War, he moved to Paris, where he established a paleontology laboratory.
[1] From 1845 to 1865 he conducted extensive stratigraphic and paleontological investigations of the Lorraine region, Luxembourg and the Ardennes.
[1] In 1864 Eugène Renevier proposed the term "Hettangian", named after the community of Hettange-Grande in Moselle (its stratotype being a nearby quarry).
[2] He was a member of numerous learned societies, including the Société géologique de France (from 1850).