Johan Ulrik Olsen (2 August 1885 – 4 October 1963) was a Norwegian politician for the Labour Party. He was born in Hitteren as a son of farmer Peder Olsen (1847–1933) og Dorothea Hesnes (1848–1931). He became a journeyman carpenter in 1899, at the age of 14, and worked in that field until 1914, when he started his own fishing business. He was involved in the local branch of the International Organisation of Good Templars, from 1917 to 1918 he was a board member of Norges kooperative landsforening, and from 1913 to 1940 and 1945 to 1947 he was the board chairman of the local newspaper Tidens Krav. He was a member of Kristiansund city council from 1913 to 1951, serving as mayor from 1934 to 1940 and 1945 to 1947. He also chaired the city school board from 1928 to 1933.