Runhild Gammelsæter is a musician from Holmestrand, Norway notable for being the vocalist for the American bands Thorr's Hammer and Khlyst. She is also a professional biologist. Runhild Gammelsæter was a 17-year-old foreign exchange student from Norway in 1994 when she joined Thorr's Hammer along with Stephen O'Malley and Greg Anderson. After 6 weeks, which was the time it took to release Sannhet i Blodet and record Dommedagsnatt, the band split up due to Runhild returning to Oslo, Norway. Dommedagsnatt was released soon afterwards in 1996 via Southern Lord Records.

Read more about Runhild Gammelsæter on Last.fm.