1) Icelandic girl name 
Sigrún (Old Norse `victory rune`) is a valkyrie in Norse mythology. Her story is related in Helgakviða Hundingsbana I and Helgakviða Hundingsbana II, in the Poetic Edda. The original editor annotated that she was Sváfa reborn. The hero Helgi Hundingsbane first meets her when she leads a band of nine Valkyries: The two fall in love, and Sigr