Jayna \ja(y)-na\ as a girl's name is a variant of Jane (Hebrew), and the meaning of Jayna is "God is gracious".

The baby name Jayna sounds like Jaena, Janna, Jana, Jayni, Jayne and Jaina. Other similar baby names are Dayna, Gayna, Jayda, Jaya, Jayla, Rayna and Zayna.