Lucio Fontana was born in 1899 in Rosario de Santa Fé, Argentina. His father, Luigi Fontana, was an architect and sculptor from Varese, Italy who emigrated to South America in 1891, opening a studio specialized in architectural decorations, while his mother, Lucia, was an Italian-born actress.
In 1905, Luigi Fontana returned to Italy with Lucio, who attended school there until 1914. After fighting in World War I, Lucio Fontana moved to Argentina in 1922. In this period, he made many public sculptures and decorative works.