Julieta Norma Fierro Gossman, born in Mexico City on February 24, 1948, is a Mexican astrophysicist and science communicator. She is a full researcher at the Institute of Astronomy and professor of the Sciences Faculty at the National Autonomous University of Mexico (UNAM). She is part of the Researchers National System in Mexico, holding a level III position. Since 2004 she is a member of the Mexican Academy of Language. Her research is focused on the study of interstellar medium.