| Competition: | Campeonato Carioca |
| Season: | 2009 |
| Winners: | Flamengo |
| Relegated: | Cabofriense Mesquita |
| Continentalcup1: | Copa do Brasil |
| Continentalcup1 Qualifiers: | Flamengo Botafogo Vasco da Gama |
| Continentalcup2: | Série D |
| Continentalcup2 Qualifiers: | Macaé Friburguense Madureira |
| League Topscorer: | Maicosuel (Botafogo) - 12 goals |
| Best Player: | Maicosuel (Botafogo) |
| Biggest Home Win: | Tigres do Brasil 5-0 Boavista (March 21, 2009) |
| Matches: | 134 |
| Total Goals: | 409 |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
This Campeonato Carioca was the 109th edition of football of FFERJ (Federação de Futebol do Estado do Rio de Janeiro, or Rio de Janeiro State Football Federation). It started play on January 24, 2009 and ended on May 3, 2009. Sixteen teams contested this edition.
América and Cardoso Moreira, relegated the previous year, were replaced by Bangu and Tigres, respectively winners and runners-up of the lower level championship in 2008.
| Club | City | Pos. in 2008 | Number of Titles (until 2008) | |
|---|---|---|---|---|
| Champions | 30 | |||
| Runners-up | 18 | |||
| 3rd | 30 | |||
| 4th | 22 | |||
| 5th | - | |||
| 6th | - | |||
| 7th | - | |||
| 8th | - | |||
| 9th | - | |||
| 10th | - | |||
| 11th | - | |||
| 12th | - | |||
| 13th | ||||
| 14th | - | |||
| 2nd Level champions | 2 | |||
| 2nd Level runners-up | - |
The 16 clubs were divided into two groups.
Group A: Americano, Cabofriense, Duque de Caxias, Fluminense, Madureira, Resende, Tigres and Vasco;
Group B: Bangu, Boavista, Botafogo, Flamengo, Friburguense, Macaé, Mesquita and Volta Redonda.
The tournament was divided in two stages: