Johannes Martens (9 July 1870 – 6 March 1938) was a Norwegian newspaper editor and politician for the Conservative Party.
He was born in Målselv as a son of dean Nikolai Martens (1836–1890) and Eleonora Henrikke Clodius Giæver.
[1] He served as secretary-general of the Conservative Party from 1899 to 1906, and was then editor-in-chief of Hamar Stiftstidende from 1906 to 1916.
He worked as a director in Pressebyrået from 1916, Høydahl-Ohmes Annonsebyrå from 1918, Morgenbladet from 1920[1] and then Norges Handels- og Sjøfartstidende.
[3] He chaired Norges konservative arbeiderorganisasjon from 1904 to 1906, was a board member of the Conservative Press Association from 1907 to 1914, Den Norske Bladeierforening from 1909 to 1916 and the Norwegian Press Association from 1910 to 1916.