Tessy María López Goerne (born October 22, 1961) is a Mexican solid-state chemist, professor, researcher, academic, and popular science communicator.
She has specialized in the fields of nanotechnology and nanomedicine, as well as being a pioneer in catalytic nanomedicine.
She directs the Nanotechnology and Nanomedicine Laboratories at the Universidad Autónoma Metropolitana Xochimilco (UAM-X) plant and the National Institute of Neurology and Neurosurgery.