Gayna \ga(y)-na\ as a girl's name is a variant of Gaynor (Welsh), and the meaning of Gayna is "white and smooth, soft".
The baby name Gayna sounds like Gana, Canna, Gina, Gena, Geena, Gaiana, Ganah, Genna, Gianna, Giana, Ginna, Geina, Geana, Gwynna, Gwynn, Gwyn, Gaenna, Gunna and Kayana. Other similar baby names are Dayna, Gafna, Gayla, Jayna, Rayna and Zayna.