2012 Campeonato Alagoano

The 2012 Campeonato Alagoano de Futebol was the 82nd season of Alagoas's top professional football league. The competition began on January 14 and ended on May 12. CRB won the championship for the 26th time, while Associação Atlética Coruripe and Penedense were relegated.

Format
The tournament consists of a double round-robin format, in which all twelve teams play each other twice, with classification split in two stages. Each round counts as one stage. The four better-placed teams of each stage will face themselves in playoffs matches, and the first stage champion will face the second stage champion. If the same team win both stages, it will be considered the champion.

The bottom two teams on overall classification will be relegated.

Second leg
ASA won 6-1 on aggregated

CRB won 6-1 on aggregated

Second leg
CSA won 3-2 on aggregated

ASA won 6-3 on aggregated