Erda \e-rda, er-da\ as a girl's name is a variant of Eartha (Old English) and Hertha (Old English), and the meaning of Erda is "Earth".

The baby name Erda sounds like Arda, Ardah, Ardea, Ardia, Ertha, Irida and Warda. Other similar baby names are Eda, Edda, Erga, Erma and Erna.