Joseph "Iron Man" Ardizzone (born Giuseppe Ernesto Ardizzone; Italian pronunciation: [d?u'z?ppe er'n?sto ardit'tso?ne]; November 19, 1884 – disappeared October 15, 1931 declared dead 1938) was an Italian-born early Los Angeles mobster, who became the first Boss of the Los Angeles crime family.
He was involved in a long-standing feud with the Matranga family.