Haakon Werner Tranberg (2 March 1917 – 24 April 1991) was a Norwegian sprinter who specialized in the 100 and 200 metres. He represented Kristiansands IF.
He won silver medals in 100 m and 200 m at the 1946 European Championships. He never participated in the Summer Olympics. He became Norwegian champion in 100 m in 1939, 1946 and 1947, in 200 m in 1939 and 1946 and in long jump in 1946 and 1947. His career was interrupted by World War II in Norway 1940-1945. He was imprisoned in Arkivet from 14 November 1944 and then in Grini concentration camp from 5 December 1944 to the war's end in May 1945.
His career best time in 100 m was 10.4 seconds, achieved in September 1939 at Bislett stadion. A month earlier, on the same track, he had clocked a career best time in 200 m of 21.5 seconds. A year later, again at the same stadium, he achieved a career best in long jump with 7.26 metres.