Arnit \a-rnit, ar-nit\ as a girl's name is a variant of Arnina (Hebrew), and the meaning of Arnit is "mountain of strength".

The baby name Arnit sounds like Arnita and Arnett. Other similar baby names are Arzit, Anat, Anita, Annita, Anet, Annet, Annot, Ardia, Arin, Arlet, Armonit, Arnice, Arna, Artie and Ranit.