Mario Caracciolo, Baron of Feroleto (Naples, 26 February 1880 – Rome, 21 December 1954) was an Italian general during World War II.

He was then appointed inspector of mobilization in Messina and in 1938 he became commander of the XXI Army Corps in Libya.

The new Fifth Army had its headquarters in Florence and later in Viterbo, and was tasked with local and coastal defense in Lazio, Tuscany and Sardinia.

The Germans placed a bounty of 20,000 lire on his head, and in January 1944 he was arrested by the Special Police Detachment of Pietro Koch, handed over to the SS, and imprisoned in Verona, Venice and Brescia, where he was tried by the Italian Social Republic’s Special Tribunal and sentenced to death.

La tragedia dell’Esercito, in 1945; Tradimento italiano o tedesco?, in 1946; Le sette carceri di un generale, in 1948; L'ultima vicenda della V Armata, posthumous) and died in Rome in 1954.