| Competition: | Campeonato Rondoniense |
| Season: | 2012 |
| Winners: | Ji-Paraná |
| Continentalcup1: | Copa do Brasil |
| Continentalcup1 Qualifiers: | Ji-Paraná |
| Continentalcup2: | Série D |
| Continentalcup2 Qualifiers: | Vilhena |
| Prevseason: | 2011 |
| Nextseason: | 2013 |
The 2012 Campeonato Rondoniense was the 18th season of Rondônia's top professional football league. The competition began 31 March and ended 9 June. Esporte Clube Espigão was the defending champion.
The eight clubs played a double round robin format. The best four teams advanced to the semifinals.
The first stage champions qualified for Série D. The champion qualified for 2013 Copa do Brasil.
| Club | Home city | |
|---|---|---|
| Espigão d'Oeste | ||
| Porto Velho | ||
| Porto Velho | ||
| Rolim de Moura | ||
Ji-Paraná won 4-6 on aggregate