Enrique Santiago Petracchi (16 November 1935 – 12 October 2014) was an Argentine lawyer, judge and a member of Supreme Court of Argentina.

[1] Enrique Santiago Petracchi studied law at the University of Buenos Aires, taking further studies at Tulane University in New Orleans in 1961.

In 1983 the new democratic government of Raúl Alfonsín appointed Petracchi to the Supreme Court of Argentina, the only Peronist supporter to be appointed at that point.

[2] From September 1989, following the resignation of José Severo Caballero, he served as President of the Court for nine months.

[3] His presidency was a period of opening up the court and increasing its transparency, including publishing judgements on the internet.