Brynnhilda \b-rynnhil-da, br(y)-nnhi-lda\ as a girl's name is a variant of Brunhilda (Old German), and the meaning of Brynnhilda is "ready for battle".

The baby name Brynnhilda sounds like Brynnhilde, Brynnhild, Brynhilda and Brunnhilda. Other similar baby names are Brynhilde, Brynhild, Brunnhilde and Brinhilda.