Ashni \a-sh-ni\ as a girl's name is of Sanskrit origin, and the meaning of Ashni is "lightning". Hindi name.
Baby names that sound like Ashni are Ishani and Ishana. Other similar baby names are Ashli, Aghna, Ashia, Ashah, Asha, Alani, Amani, Anani, Anni, Aponi, Ashanti, Ashra, Ashby, Ashbie, Ashly, Ashlie, Ashlei, Ashle, Ashla, Ashlin and Avani.