The name Vaiana means Rock/Water/Cave and is of Hawaiian origin. Vaiana is a name that's been used primarily by parents who are considering baby names for girls.
A Polynesian/Tahitian name meaning "water cave" or "rock water." From the phrase "Vai ana o te mato teitei" meaning "Water from the cave of the high rock."
Disney's Moana was renamed to Vaiana in Europe due to a trademark dispute.