Arthur M. Amundsen (22 March 1886 – 25 February 1936) was a Norwegian gymnast who competed in the 1908 Summer Olympics and in the 1912 Summer Olympics. As a member of the Norwegian team, he won a silver medal in the gymnastics team event in 1908. Four years later he was part of the Norwegian team, which won the bronze medal in the gymnastics team, Swedish system event.