Caltha \c(a)-ltha, cal-tha\ as a girl's name is of Latin origin, and the meaning of Caltha is "golden flower".
Baby names that sound like Caltha are Calida, Callida, Cleta, Coletta, Coleta, Galatea and Galathea. Other similar baby names are Catha, Altha, Eltha, Cala, Calantha, Calla, Calina, Callia, Carletha, Katha, Cathy, Cathi, Cathe, Cath, Cathia, Talitha and Taletha.