2012 Campeonato Catarinense
The 2012 Campeonato Catarinense - Divisão Principal was the 89th season of Santa Catarina's top professional football league. The competition began on 22 January and ended on 25 May. Avaí was the champion after win the two matches at finals against Figueirense.
Format
;First stage
- All ten teams play a round-robin playing once against each other team.
- The top 4 teams qualify for the semi-finals which are played 1st vs 4th and 2nd vs 3rd. Where games are tied the higher placed team progresses. The final is played at the ground of the higher placed team and, as in the semi-final, in a tied game the higher placed team wins.
;Second stage
- All ten teams play a round-robin playing once against each other team.
- The top 4 teams qualify for the semi-finals which are played 1st vs 4th and 2nd vs 3rd. Where games are tied the higher placed team progresses. The final is played at the ground of the higher placed team and, as in the semi-final, in a tied game the higher placed team wins.
;Finals:
- Home-and-away playoffs between the winners of the first and second stages.
- The winner of the Finals is crowned champion.
First phase
First stage