Kaia \kaia\ as a girl's name is a variant of Kai (Hawaiian) and Kaya (Japanese, Zulu, Turkish, Hopi, Hindi), and the meaning of Kaia is "the sea; restful place, yew tree, forgiveness; home; stone; willow, wise child; the one with the beautiful body, profile".

The baby name Kaia sounds like Gaia and Kia. Other similar baby names are Kala, Kara, Kaira, Katia, Kata, Kasia, Kait, Kaija, Kacia, Kadia, Kaila, Kalia, Kama, Kazia, Maia and Naia.