Elthea \e-lthea, el-thea\ as a girl's name is a variant of Althea (Greek), and the meaning of Elthea is "healing herb".

The baby name Elthea sounds like Elethea and Eltha. Other similar baby names are Elshe, Elsha, Alethea, Elithia, Alithea, Alathea, Altha, Althia, Althaea, Ertha, Elodea, Etha and Olethea.