Alda \a-lda, al-da\ as a girl's name is pronounced AHL-dah. It is of Old German origin, and the meaning of Alda is "old, prosperous". Feminine form of Aldo and Otto.
Alda has 10 variant forms: Aldabella, Aldana, Aldara, Aldea, Aldene, Aldina, Aldine, Aldona, Aleda and Alida.
Baby names that sound like Alda are Alyda, Allda and Alta.