Jeanne Villepreux-Power née Jeanne Villepreux (24 September 1794 – 25 January 1871) was a pioneering French marine biologist who in 1832 was the first person to create aquaria for experimenting with aquatic organisms. The English biologist Richard Owen referred to her as the "Mother of Aquariophily."
Villepreux-Power was born in Juillac, Corrèze, the eldest child of a shoemaker. At the age of 18, she walked to Paris to become a dressmaker, a distance of over 400 kilometres. In 1816, she became well known for creating the wedding gown of Princess Caroline in her wedding to Charles-Ferdinand de Bourbon. She met and married the English merchant, James Power, in 1818 and the couple moved to Sicily.
In Sicily she began to study natural history; in particular she made physical observations and experiments on marine and terrestrial animals. She wanted to inventory the island's ecosystem. In 1834, a professor, Carmelo Maravigna, wrote in the Giornale Letterario dell’Accademia Gioenia di Catania that Villepreux-Power should be credited with the invention of the aquarium and systematic application of it to the study of marine life. She created three types of aquarium: a glass aquarium for her study, a submersible glass one in a cage, and a cage for larger molluscs that would anchor at sea. Her first book was published in 1839 describing her experiments, called Observations et expériences physiques sur plusieurs animaux marins et terrestres.
Her second book, Guida per la Sicilia, was published in 1842. It has been republished by the Historical Society of Messina. She also studied molluscs and their fossils; in particular she favoured Argonauta argo. At the time, there was uncertainty over whether the Argonaut species produced its own shell, or acquired that of a different organism (similar to hermit crabs). Villepreux-Power's work showed that they do indeed produce their own shells.
Villepreux-Power was also concerned with conservation, and is credited with developing sustainable aquaculture principles in Sicily.
She was the first woman member of the Catania Accademia Gioenia, and a correspondent member of the London Zoological Society and sixteen other learned societies.