Kallysta \k(a)-llys-ta, kall(y)-sta\ as a girl's name is a variant of Calista (Latin, Greek) and Kallista (Greek), and the meaning of Kallysta is "cup; fairest, most beautiful".
The baby name Kallysta sounds like Kalysta, Kallesta and Callysta. Other similar baby names are Kalista, Kalesta, Calysta, Callista, Callesta, Kalyssa and Kallita.