François Seydoux Fornier de Clausonne (15 February 1905 in Berlin – 30 August 1981) was a French diplomat.
Seydoux de Clausonne was born the son of a French diplomat.
In 1942, after the occupation of France by German troops during World War II, Seydoux joined the French Resistance.
Seydoux de Clausonne was instrumental in bringing about the Élysée Treaty.
For his contributions to European integration, he was honored in 1970 with the Charlemagne Prize[1] by the city of Aachen.