Amaltheia \a-mal-theia, am(a)-ltheia\ as a girl's name is a variant of Amalthea (Greek). See for meaning of Amaltheia.

The baby name Amaltheia sounds like Amaleeda and Amaleta. Other similar baby names are Alathia, Alathea, Althea, Althia, Althaia, Amantha, Amalia and Amalea.