Hubert Wathier August de Bèsche (7 July 1911 – 11 March 1997) was a Swedish civil servant and diplomat.

He served as the Ambassador of Sweden to the United States from 1964 to 1973 and to Denmark 1973 to 1977. de Bèsche was born on 7 July 1911 in Frösö, Jämtland County, Sweden, the son of Lieutenant Colonel Hubert de Bèsche and his wife Ebba Fröberg.

[1] de Bèsche became and attaché at the Ministry for Foreign Affairs in Stockholm in 1936.

He was part of the delegation at the Annecy Round in 1949 and the International Materials Conference in Washington, D.C. from 1951 to 1953.

He also took part in the International Wheat Agreement in 1955, the General Agreement on Tariffs and Trade (GATT) from 1955 to 1957, and was a member of the trade board of the Organisation for European Economic Co-operation (OEEC) from 1956 to 1960.