Sante Geronimo Caserio (Italian: ['sante ca'z?rjo]; 8 September 1873 – 16 August 1894) was an Italian anarchist and the assassin of Marie François Sadi Carnot, President of the French Third Republic.
Caserio was born in Motta Visconti, Lombardy.
On 24 June 1894, he fatally stabbed President Carnot after a banquet, to avenge Auguste Vaillant and Émile Henry.