Amalthea \a-mal-thea, am(a)-lthea\ as a girl's name is of Greek origin. Greek mythology: the name of the mountain goat that nursed the infant Zeus. Her horns were the basis for the cornucopia, the horn of plenty spilling over with fruits and vegetables.

Amalthea has 1 variant form: Amaltheia.

Baby names that sound like Amalthea are Amalida, Amaleeda, Amalyta, Amalita and Amaleta.