The 2012 Copa Constitució was the twentieth season of Andorra's football knockout tournament. The competition began on 15 January 2012 with the matches of the first elimination round and ended in May 2012 with the Final. UE Sant Julià are the defending champions. The winners earned a place in the first qualifying round of the 2012–13 UEFA Europa League.
The teams from 2011–12 Primera Divisió placed fifth to eighth after 10 rounds played – Inter Club d'Escaldes, CE Principat, UE Engordany and FC Rànger's – enter in this round and will join the winners of the first elimination round. For each match, one Segona Divisió and one Primera Divisió team have been drawn together. The matches will be played on 29 January 2012.
The winners from the previous round will compete in this round together with the teams from Primera Divisió placed first to fourth after 10 rounds played – FC Santa Coloma, FC Lusitanos, UE Sant Julià, and UE Santa Coloma. The first legs will be played on 5 and 12 February 2012, while the second legs took place on 19 February 2012.