Wilhelm Thagaard (31 October 1890 – 1 December 1970) was a Norwegian jurist and civil servant.
He chaired Prisdirektoratet over two periods, a total of twenty years.
During the occupation of Norway by Nazi Germany Thagaard was a member of "Kretsen", a leading body of the Norwegian Resistance Movement.
He represented Norway internationally in OEEC, OECD and GATT.
This Norwegian biographical article related to a government official is a stub.