Jacques Marie Eugène Godefroy Cavaignac (May 21, 1853 – September 25, 1905), known as Godefroy Cavaignac, French politician, was 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.