Kunigunde of Rapperswil was a Christian saint who lived during the early 4th century. According to the meaning of her name in Old High German, she was a protector of her clan. She resided in Eichsel, located near Rheinfelden, and is recognized as one of the companions of Saint Ursula. While participating in a pilgrimage to Rome alongside Ursula, she eventually passed away in Rapperswil.