Cacia \c(a)-cia\ as a girl's name is a variant of Acacia (Greek) and Casey (Irish, Gaelic), and the meaning of Cacia is "thorny tree; alert, watchful".

The baby name Cacia sounds like Casia, Cacie, Caci, Catia and Kacia. Other similar baby names are Camia, Dacia and Tacia.