Helena \he-le-na\ as a girl's name is a variant of Eleanor (Greek) and Helen (Greek), and the meaning of Helena is "sun ray, shining light". See also Jelena and Lena.
The baby name Helena sounds like Helene, Hellena, Helenna, Heleena and Helana. Other similar baby names are Celena, Selena, Delena and Yelena.