Alyssia \a-ly-ssia\ as a girl's name is a variant of Alicia (Old German), Alysia (Greek) and Alyssa (Greek), and the meaning of Alyssia is "noble, exalted; entrancing; rational".

The baby name Alyssia sounds like Alessia and Elyssia. Other similar baby names are Alesia, Alessa, Alessi, Ilyssa, Alyss, Alysa, Allyssa, Allysia, Alissa, Alysha, Alycia, Allyssha, Alisia, Alishia, Aleshia, Alyssah, Aloisia, Aloysia, Alysse, Anyssa, Elyssa, Elissia and Ulyssa.