Aloysia \a-loy-sia\ as a girl's name is a variant of Aloisia (Old German), Eloise (Old German), Heloise (French, Old German) and Louise (Old German), and the meaning of Aloysia is "famous warrior".

The baby name Aloysia sounds like Alysia, Allysia and Eloysia. Other similar baby names are Akosia, Alesia, Alessia, Alyssa, Alysa, Allyssa, Allysiah, Alyssia, Alysha, Alycia, Allysa, Alisia, Eloisia, Alonia, Anysia, Blaysia, Elysia, Ilysia, Aleeysia and Aloisa.