George de Meo was an Italian-American arms dealer, most famous for supplying weapons to the Irish Republican Army (IRA) through their operative George Harrison.^[1]

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De Meo lived near Harrison in Brooklyn, having moved there with family in 1949, and owned a gun store in the city. Having mafia connections, De Meo supplied guns not only to the IRA, but also to Cuban rebels. George De Meo was convicted of federal charges of conspiring to send arms to the IRA, in Raleigh, North Carolina in 1980.