Calantha \c(a)-lan-tha, cal(a)-ntha\ as a girl's name is of Greek origin, and the meaning of Calantha is "beautiful flower". From "kalos anthos".
Calantha has 8 variant forms: Cal, Calanthe, Callee, Calley, Calli, Callie, Cally and Kalantha.
Baby names that sound like Calantha are Calandra, Cliantha and Cleantha.