Gunnar Ring Amundsen (12 July 1894 – 11 December 1972) was a Norwegian engineer and businessperson. He was born in Vestre Aker as a son of (1856–1939) and Caroline Cathrine Marie Ring (1869–1949). He underwent schooling at Thunes Mekaniske Verksted from 1913 to 1915, then later in Ilmenau, at the Massachusetts Institute of Technology and in Brazil from 1921 to 1922. In 1922 he married Alice Eisenbach, the eldest daughter of Brazilian factory owner Yorge Eisenbach.