2012–13 Liga Nacional de Básquet season

Regatas Corrientes won their first title, defeating Lanús in the finals.

The top four teams from each zone competed in the Torneo Súper 8 that took place in November.

Regatas Corrientes won their second title, defeating Quimsa in the Final, and were granted a berth in the 2013 Liga Sudamericana de Básquetbol.

Regatas Corrientes defeated Lanús in the Finals and won their first title.

Since Regatas Corrientes had also qualified to the 2013 Liga Sudamericana de Básquetbol after winning the Torneo Súper 8, their berth was given to the next best team that was not qualified yet, in this case Argentino de Junín.