Rodolfo José Ghioldi (21 January 1891 – 3 July 1985) was an Argentine politician and journalist who was general-secretary of the Communist Party of Argentina from 1918 to 1924.

Ghioldi was born in to the family of an Italian socialist immigrant who was a follower of Giuseppe Garibaldi.

[3] After years living in exile, Ghioldi returned to Argentina in 1940 with the hopes of building an anti-fascist and democratic front, which led to his arrest and imprisonment.

After his release he resumed political activities and took leadership of the party newspaper La Hora.

[2] From the 1970s onwards Ghioldi mostly worked as a journalist and historian, he was designated as an honorary doctor of the Institute of the International Workers' Movement of the Academy of Sciences of the USSR in 1977, and decorated in the Soviet Union with the Order of the "October Revolution" in 1972 and in 1977 with the Order of the "Friendship of Peoples".