Ariadna is the Spanish, Catalan and Polish form of Ariadne, a Greek name that means "most holy", from ari, very, and adnos, holy. In Greek myth Ariadne gives Theseus the thread that leads him out of the Minotaur's labyrinth. In the United States the Spanish form is used mainly in Latino families; Ariadna ranked number 2143 in 2000, peaked at number 1109 in 2021 and stands at number 1417 in 2025.