Karl Kobelt ( born August 1, 1891 in St. Gallen, † January 5, 1968 in Bern, hometown entitled in Marbach SG) was a Swiss politician ( FDP). As he was Federal Minister of Defence and held twice the Office of the President.
The son of a railway postal clerk was a civil engineer by profession and was from 1917 a title Dr.sc.techn.ETH. At the Swiss Federal Office for Water 1919-33 he headed the Department of Seeregulierung. In 1933 he was elected to the government of the canton of St. Gallen and directed the Building Department. Despite the economic crisis, he knew how to deal with major projects such as the regulation of the Rhine, the Linthmelioration and the development of transport infrastructure in hospitals. In 1939 he was elected to the National Council. In the Swiss army he rose to the rank of colonel.
Karl Kobelt was elected on 10 December 1940 at 5th round of voting in the Bundesrat. He took over on 1 January 1941, the Military Department. On 5 November 1954, he announced his retirement on 31 December 1954.
He was in 1945 and 1951, Vice President of the Federal Council and Federal President in the years 1946 and 1952.