Johan Magnus Halvorsen (10 June 1853 – 14 February 1922) was a Norwegian politician for the Free-minded Liberal Party.

Biography

Halvorsen was born at Ålesund in Møre og Romsdal, Norway. He was a merchant by profession. He started his business career as a sales representative at Vanylven in Sunnmøre. In 1874 he became a director at Selje forbruksforening in Nordfjord. He later worked as a representative for several factories and businesses in Bergen. In 1881, he established himself as a merchant in Trondheim with a fish wholesaler. Halvorsen was a member of the city council of Trondheim 1895-1904 and again from 1910. He represented the city in the Norwegian Parliament 1898-1900 and 1903–12. He was Minister of Finance from 1907 to 1908 in cabinet of Prime Minister Jørgen Løvland.