Karl-Gustav Lagerfelt

Baron Israël Karl-Gustav "K-G" Eugène Lagerfelt (21 November 1909 – 11 December 1986) was a Swedish diplomat. He had a long career in the Swedish Foreign Service, beginning in the mid-1930s with postings in Helsinki, London, Paris, and Stockholm, where he rose to senior positions within the Ministry for Foreign Affairs. In 1950, he represented Sweden in delivering the Prosecutor General's report on the assassination of Count Folke Bernadotte to the government of Israel, and he later served as Sweden's diplomatic representative in Japan and as envoy in Tokyo.

From the mid-1950s, Lagerfelt held a series of senior international appointments. He was Sweden's Permanent Representative to several European institutions, including the European Coal and Steel Community and the Council of Europe, before serving as ambassador to Vienna and The Hague. He later became Sweden's Permanent Representative to the United Nations Office in Geneva and chaired the council of the United Nations Conference on Trade and Development.