Aithne \a(i)-th-ne\ as a girl's name is of Gaelic origin, and the meaning of Aithne is "fire". Feminine form of Aidan.

Aithne has 7 variant forms: Aine, Aithnea, Eithne, Ena, Ethnah, Ethnea and Ethnee.

Baby names that sound like Aithne are Athene, Adene, Adine, Aiden, Athena, Athina, Audene and Aidana.