Guthrunn \g(u)-thru-nn, guth-runn\ as a girl's name is a variant of Gudrun (Scandinavian), and the meaning of Guthrunn is "battle".
The baby name Guthrunn sounds like Guthrunne and Guthrun. Other similar baby names are Gudrunn, Cathrynn, Cathrinn, Gudrunne, Gudruna, Gudrinn and Kathrynn.