| Competition: | Campeonato Paulista Série A2 |
| Promoted: | São Caetano São Bento |
| Relegated: | Votuporanguense Penapolense |
| Season: | 2020 |
| Dates: | 22 January 2020 – 12 October 2020 |
| Winners: | São Caetano |
| Matches: | 134 |
| Total Goals: | 311 |
| League Topscorer: | Léo Castro Bambam (9 goals) |
| Biggest Home Win: | [1] |
| Biggest Away Win: | |
| Highest Scoring: | [2] |
| Longest Wins: | 7 matches São Bento |
| Longest Unbeaten: | 10 matches São Bento |
| Longest Winless: | 10 matches Sertãozinho |
| Longest Losses: | 5 matches Portuguesa Santista |
| Highest Attendance: | 3,111 [3] |
| Lowest Attendance: | 40 [4] |
| Attendance: | 92,334 |
| Average Attendance: | 982[5] |
| Prevseason: | 2019 |
| Nextseason: | 2021 |
| Updated: | 30 September 2020 |
The 2020 Campeonato Paulista Série A2 was the 27th season of the second level of the São Paulo state league under its current title and the 97th season overall.
Due to the ongoing COVID-19 pandemic, the season was indefinitely suspended on 16 March.[6] Play was resumed on 19 August. [7] São Caetano and São Bento, two sides relegated from the first division in the previous season, won promotion back after one year. São Caetano were crowned champions on 12 October, after defeating the Sorocaba team 4–3 on penalties in the final, following a 3–3 aggregate score. São Caetano had already won the trophy in their last appearance in the second level, in 2017.
The following teams have changed division since the 2019 season.
Promoted from Série A3
Relegated from Série A1
Promoted to Série A1
Relegated to Série A3
| Club | Location | Stadium | Capacity [8] | |
|---|---|---|---|---|
| Atibaia | Atibaia | 8,712 | ||
| Audax | Osasco | Prefeito José Liberatti | 12,158 | |
| Juventus | São Paulo (Mooca) | Rua Javari | 5,256 | |
| Monte Azul | Monte Azul Paulista | Otacília Patrício Arroyo | 8,000 | |
| Penapolense | Penápolis | Tenente Carriço | 9,998 | |
| Portuguesa | São Paulo (Pari) | Canindé | 22,375 | |
| Portuguesa Santista | Santos | Ulrico Mursa | 12,578 | |
| Red Bull Brasil | Campinas | Moisés Lucarelli | 19,221 | |
| Rio Claro | Rio Claro | Augusto Schmidt | 5,900 | |
| São Bento | Sorocaba | Walter Ribeiro | 11,861 | |
| São Bernardo | São Bernardo do Campo | 1º de Maio | 12,578 | |
| São Caetano | São Caetano do Sul | Anacleto Campanella | 17,530 | |
| Sertãozinho | Sertãozinho | Frederico Dalmaso | 6,000 | |
| Taubaté | Taubaté | Joaquinzão | 9,600 | |
| Votuporanguense | Votuporanga | Plínio Marin | 7,560 | |
| XV de Piracicaba | Piracicaba | Barão da Serra Negra | 18,000 |
| Rank | Player | Club | Goals | |
|---|---|---|---|---|
| 1 |  Léo Castro | Juventus | 9 | |
| Bambam | São Bento | |||
| 3 | Marcos Paulo | Monte Azul | 8 | |
| Marlyson | São Bernardo | |||
| 5 | Kalil | Portuguesa Santista | 6 |