thumb|Jacques Marie Eugène Godefroy Cavaignac
Jacques Marie Eugène Godefroy Cavaignac (May 21, 1853 – September 25, 1905), known as Godefroy Cavaignac, was a French politician.
Early life
Born in Paris, he was the son of Louis Eugène Cavaignac. He made public profession of his republican principles as a schoolboy at the Lycée Charlemagne by refusing in 1867 to receive a prize at the Sorbonne from the hand of the Prince Imperial.
Third Republic
He received the military medal for service in the Franco-Prussian War and in 1872 entered the École Polytechnique. He served as a civil engineer in Angoulême until 1881, when he became master of requests in the Council of State.