Amundsen is a Norwegian surname. Notable people with this surname include the following:
Arthur Amundsen (1886–1936), Norwegian gymnast who competed in the 1908 and 1912 Summer Olympics
Asle Amundsen, Norwegian politician for the Socialist Left Party
Carl Morten Amundsen, Norwegian dramaturge and theatre director
Harald Amundsen, Norwegian sprint canoer
Jan Tore Amundsen, Norwegian football midfielder
Jens Amundsen (1820-1886), Norwegian ship-owner
Marius Amundsen (born 1992), Norwegian footballer
Mauritz Amundsen (1904–1982), Norwegian Olympic sport shooter
Monte Amundsen, American opera and musical singer
Olaf Amundsen (1876–1939), Norwegian politician for the Liberal Party
Per-Willy Amundsen, Norwegian politician and MP for the Progress Party
Roald Amundsen (1872–1928), Norwegian explorer of the polar region
Steinar Amundsen, Norwegian sprint canoer who competed in the 1968 Summer Olympics
