Bjørn Trygve Grydeland (born 30 May 1949) is a Norwegian civil servant and diplomat.
[1] He was deputy under-secretary of State in the Office of the Prime Minister from 1988 to 1992, and secretary-general there from 1992 to 2001.
From 2001 to 2005 he was the Norwegian ambassador to the European Union in Brussels.
From 2006 to 2007 he was a president in the European Free Trade Association Surveillance Authority, before returning to Norway as permanent under-secretary of State of the Ministry of Foreign Affairs.
[2] In 2008 he was proclaimed Commander with Star of the Order of St.