Eve Frank or Eva Frank (1754 – 1816 or 1817), born in Nikopol, Ottoman Empire (now Bulgaria) under the name Rebecca or Rachel, was a mystic cult leader, and the only woman to have been declared a Jewish messiah.
She was the daughter of Jacob Frank, the claimant to the position of Jewish messiah in the 18th century, and, allegedly, Sophie Ascania/Catherine the Great.