Magnus Stinnerbom is a fiddler from Värmland, Sweden, whose principal instrument is the viola. He is the son of the influential fiddler Leif Stinnerbom, who co-founded the Nordic folk band Groupa. Magnus is currently playing with the groups Harv (with Daniel Sandén-Warg) and Hedningarna. He has toured the U.S. and Europe with Finnish singer Sanna Kurki-Suonio, and he has also contributed to the record Nils Holgersson.