The 2012 Copa de México de Naciones is the 2nd edition of the Copa México de Naciones Sub-15 and it took place in Mexico from August 10 to August 18.

The tournament is supposed to be the precursor the proposed U-15 FIFA World Cup.

The winners and runners-up from each group, as well as the best two third-placed teams, qualified for the quarter finals.

The ranking of each team in each group was determined as follows: Had two or more teams been equal on the basis of the above three criteria, their rankings would have been determined as follows:

The two best teams among those ranked third were determined as follows: In the knockout stages, if a match is level at the end of normal playing time a kicks from the penalty mark to determine the winner.