Alethea \a-le-thea\ as a girl's name is pronounced ah-LEE-thee-ah. It is of Greek origin, and the meaning of Alethea is "verity, truth". A learned coinage, not found before the 16th century. Mythology: goddess of truth. See also Althea.

Alethea has 14 variant forms: Alathea, Alathia, Aleethia, Aleta, Aletea, Aletha, Alethia, Aletia, Aletta, Alette, Alithea, Alithia, Elethea and Elithia.

For more information, see also the related name Olethea.

Baby names that sound like Alethea are Alitheea, Aleetheea, Altha, Elthea, Althia, Althaea and Oletha.