2009 Campeonato Paulista
The 2009 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 was the 108th season of São Paulo's top-flight professional football league. The season began on January 21 and ended on May 3. Corinthians were crowned the league champion after going through the competition undefeated.Participating teams
| Club | Home city |
| Botafogo | Ribeirão Preto |
| Bragantino | Bragança Paulista |
| Corinthians | São Paulo |
| Grêmio Barueri | Barueri |
| Guarani | Campinas |
| Guaratinguetá | Guaratinguetá |
| Ituano | Itu |
| Marília | Marília |
| Mirassol | Mirassol |
| Mogi Mirim | Mogi Mirim |
| Noroeste | Bauru |
| Oeste | Itápolis |
| Palmeiras | São Paulo |
| Paulista | Jundiaí |
| Ponte Preta | Campinas |
| Portuguesa | São Paulo |
| Santo André | Santo André |
| Santos | Santos |
| São Caetano | São Caetano do Sul |
| São Paulo | São Paulo |
First phase
Knockout phase
Bracket
Semi-finals
Finals
Campeonato do Interior
Semi-finals
Finals
Top scorers
| Rank | Player | Team | Goals |
| 1 |  Pedrão | Grêmio Barueri | 16 |
| 2 | Keirrison | Palmeiras | 13 |
| 3 | Washington | São Paulo | 12 |
| 4 | Edno | Portuguesa | 11 |
| 4 | Kléber Pereira | Santos | 11 |
| 5 | Danilo Neco | Ponte Preta | 10 |
| 5 | Zé Carlos | Paulista | 10 |
