Galanthis

thumb|right|250px|Birth of Heracles by [[Jean Jacques Francois Le Barbier.]]

In Greek mythology, Galanthis or Galinthias () was the woman who interfered with Hera's plan to hinder the birth of Heracles in favor of Eurystheus, and was changed into a weasel or cat as punishment for being so insolent as to deceive the goddesses of birth that were acting on Hera's behalf.