| Competition: | Campeonato Paulista - Série A1 |
| Season: | 2013 |
| Winners: | Corinthians (27th title) |
| Relegated: | Mirassol União Barbarense São Caetano Guarani |
| Continentalcup2: | Série D |
| Continentalcup2 Qualifiers: | Botafogo-SP Penapolense |
| League Topscorer: | Willam (13 goals) |
| Biggest Home Win: | Mogi Mirim 6–0 Botafogo |
| Biggest Away Win: | União Barbarense 0–4 Santos Ponte Preta 0–4 Corinthians Oeste 0–4 São Bernardo |
| Highest Scoring: | Mirassol 6–2 Palmeiras |
| Matches: | 202 |
| Total Goals: | 558 |
| Prevseason: | 2012 |
| Nextseason: | 2014 |
The 2013 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 (officially the Paulistão Chevrolet 2013 for sponsorship reasons[1]) was the 112th season of São Paulo's top professional football league.
It was won for the 27th time by Corinthians,[2] after beating Santos at the finals, the defending champions from the previous three seasons.[3]
The top eight teams in the First Stage qualifies to the Quarter-Finals. The bottom four teams will be relegated to the Série A2. Quarter and Semi-Finals will be played in one-legged matches.The best-four teams not qualified to the Semi-Finals not from the city of São Paulo or Santos FC, will compete in the Campeonato do Interior.[4]
| Club | Home city | 2012 result | |
|---|---|---|---|
| 3rd (Série A2) | |||
| 15th | |||
| 8th | |||
| São Paulo (Tatuapé) | 5th | ||
| 2nd | |||
| 14th | |||
| 11th | |||
| 9th | |||
| 7th | |||
| 10th | |||
| São Paulo (Perdizes) | 6th | ||
| 13th | |||
| 4th (Série A2) | |||
| 4th | |||
| 1st | |||
| 1st (Série A2) | |||
| 12th | |||
| São Paulo (Morumbi) | 3rd | ||
| 2nd (Série A2) | |||
| 16th |
See main article: 2013 Campeonato Paulista knockout stage.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  William | Ponte Preta | 13 |
| 2 | Neymar | Santos | 12 |
| 3 | Fernando Baiano | São Bernardo | 10 |
| Guarú | Penapolense | 10 | |
| 4 | Lincom | Bragantino | 9 |
| Marcelo Macedo | Paulista | 9 | |
| Roni | Mogi Mirim | 9 | |
| Cícero | Santos | 9 | |
| 5 |  Paolo Guerrero | Corinthians | 8 |
| Henrique | Mogi Mirim | 8 | |
| Luis Fabiano | São Paulo | 8 |
Source:[5]
| Pos. | Player | Club |
|---|---|---|
| GK | Rafael | Santos |
| DF | Alessandro | Corinthians |
| DF | Gil | Corinthians |
| DF | Cleber | Ponte Preta |
| DF | Rodrigo Biro | Penapolense |
| MF | Danilo | Corinthians |
| MF | Paulinho | Corinthians |
| MF | Ralf | Corinthians |
| MF | Jádson | São Paulo |
| FW | Guerrero | Corinthians |
| FW | Neymar | Santos |