The 2011–12 Copa Argentina was the third edition of the Copa Argentina, and the first since 1970. The competition began on August 31, 2011 and ended in August 8, 2012. The tournament featured 186 clubs from the top five levels of the Argentine football league system. The winner (Boca Juniors) qualified for the 2012 Copa Sudamericana.

The tournament was originally scheduled to end on May 25, but due to the participation of Boca Juniors in the knockout stages of the Copa Libertadores. The final was disputed on 8 August 2012, with the triumph for Boca Juniors 2–1 against Racing.

One hundred and eighty-six teams took part in this season's competition. All the teams from the Primera División (20), Primera B Nacional (20), Primera B Metropolitana (21), Torneo Argentino A (25), Primera C (20), Torneo Argentino B (60), and Primera D (18) competed in the tournament. Two teams from provinces that do not have representation and that compete in the Torneo del Interior rounded out the field of participants.

Villa San Carlos

For the final phase, the organization selected 15 stadiums in several Argentine provinces to be used as neutral grounds.

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