Jens Andersen Hagen (20 October 1832 – 21 February 1906) was a Norwegian politician for the Conservative Party.
Hagen was born in Haga, Romedal to farmer Anders Hagen and Anne Marie Hagen. He worked as a tanner Kristiania starting in 1858 and from 1895 owned a brick factory.[1]
He was elected to the Norwegian Parliament in 1886, representing the constituency of Kristiania, Hønefoss og Kongsvinger. He only served one term.[2]
He was a member of Kristiania city council, 1885-94. He died in 1906 in Kristiania (now Oslo).[1]