Trygve Halvdan Lie (16 July 1896 – 30 December 1968) was a Norwegian politician, labour leader, government official and author. He served as Norwegian foreign minister during the critical years of the Norwegian government in exile in London from 1940 to 1945. From 1946 to 1952 he was the first Secretary-General of the United Nations. Lie earned a reputation as a pragmatic, determined politician.
Lie died on 30 December 1968 of a heart attack in Geilo, Norway. He was 72 years old.