Elizabeth Cosgriff-Hernandez is an American biomedical engineer who is a professor and the Judson S. Swearingen Regents Chair in Engineering #2 at the University of Texas at Austin. Her work involves the development of polymeric biomaterials for medical devices and tissue regeneration. She is a co-founder of Rhythio Medical, on the scientific advisory board of ECM Biosurgery, and a consultant to several companies on biostability evaluation of medical devices. Dr. Cosgriff-Hernandez is an associate editor of the Journal of Materials Chemistry B and Fellow of the International Union of Societies for Biomaterials Science and Engineering, Biomedical Engineering Society, Tissue Engineering and Regenerative Medicine International Society, American Chemical Society Division of Polymeric Materials: Science and Engineering, Royal Society of Chemistry, and the American Institute for Medical and Biological Engineering. In 2025, she was named a Senior Member of the National Academy of Inventors.