Robert Walter Sørlie (born 15 February 1958), commonly "Sorlie" in English, is a two-time Iditarod champion Norwegian dog musher and dog sled racer from Hurdal.
Together with Kjetil Backen and his nephew, Bjørnar Andersen, he forms "Team Norway", the most well-known Norwegian dog mushing team.
In 2003, he became the only non-American after Martin Buser to win the 1,049-mile Iditarod Trail Sled Dog Race across Alaska, U.S.