Enrique Santiago Petracchi (16 November 1935 in Buenos Aires – 12 October 2014) was an Argentine lawyer, judge and a member of Supreme Court of Justice of Argentina since 1983.
Petracchi is the son of Enrique Carlos Petracchi, who was procurator to the Argentine Treasury and Procurator General.
Enrique Santiago Petracchi studied law at the University of Buenos Aires, taking further studies at Tulane University in New Orleans in 1961.
He has spent his entire legal career in the justice system, first appointed as a legal assistant in 1955.
In 1983 the new democratic government of Raúl AlfonsÃn appointed Petracchi to the Supreme Court of Argentina, the only Peronist supporter to be appointed at that point.