Stefano Delle Chiaie (born 13 September 1936 in Caserta) is a neofascist Italian activist (founder of Avanguardia Nazionale, 1960, member of Ordine Nuovo, and founder of Lega nazionalpopolare, 1991). He went on to become a wanted man worldwide, suspected of involvement in Italy's strategy of tension, but was acquitted. He was a friend of Licio Gelli, grandmaster of P2 masonic lodge. He was suspected of involvement in South America's Operation Condor, but was acquitted.