Among the many mythological versions of the figure of Hypatia that have developed throughout history and have changed or distorted it, this paper focuses on the two most recent and most prevalent, now that the myth of Hypatia is no longer elite but widespread: the one presented by history of science studies and the one offered by feminist literature.Regarding the version of Hypatia offered by historians of mathematics, physics and astronomy, this article compares modern hypotheses with ancient sources, demonstrating that the myth of Hypatia as 'Galileo in skirts' is a fallacy: a retrospective projection of the repressive methods of the Catholic Counter-Reformation onto the fifth-century political and ecclesiastical scenario.With reference t...