Frank Kurt Claude Belfrage (born 13 March 1942) is a Swedish economist and diplomat who was State Secretary for Foreign Affairs between 2006 and 2014, heading the Ministry for Foreign Affairs under then Minister for Foreign Affairs Carl Bildt.
He is the son of diplomat Kurt-Allan Belfrage and his wife, Renée France Paule Puaux.
He is the nephew of Leif Belfrage who was State Secretary for Foreign Affairs from 1956 to 1967.
Belfrage was part of the 2016 SVT documentary Springnotan[1] revealing to the Swedish people how some of their political leaders hid money from tax authorities.
Belfrage used a temporary tax amnesty, avoiding imprisonment, where his name was revealed.