Prince Emanuele Filiberto Vittorio Eugenio Alberto Genova Giuseppe Maria di Savoia, 2nd Duke of Aosta (Spanish: Manuel Filiberto; 13 January 1869 – 4 July 1931) was an Italian general and member of the House of Savoy, as the son of Amadeo I, and was also a cousin of Victor Emmanuel III of Italy.
Filiberto was also commander of the Italian Third Army during World War I, which earned him the title of the "Undefeated Duke". After the war he became a Marshal of Italy.
He began his career in the Italian Army at Naples, in 1905, as commander. During World War I, he commanded the Italian Third Army, which gained the nickname of Armata invitta ("undefeated army"). Following the war he was promoted to the rank of Marshal of Italy by Benito Mussolini in 1926.
Prince Emanuele Filiberto died in 1931 at Turin. In accordance and observance of his will, he was buried in the military cemetery of Redipuglia, together with thousands of soldiers of the Third Army.