Daniel Sandén-Warg, born in 1977 in Östersund, Sweden, is a Swedish musician known for his work as a Hardanger fiddler and silversmith. He initially trained under Hallvard T. Bjørgum in Setesdal, where he immersed himself in the local folk music scene. Sandén-Warg's career began with collaborations on various albums, including Warg Buen (2008) with Per Anders Buen Garnås and Rammeslag (2007), as well as its sequel Rammeslag II (2009), both released with Sigurd Brokke. These albums won the Folkelarmprisen in the solo class, with Rammeslag II also being nominated for the Spellemannprisen 2009 in the folk music/traditional dance category. Sandén-Warg has also contributed to releases by artists such as Odd Nordstoga and Hanne Hukkelberg, showcasing his versatility across different genres within traditional Swedish music.