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.
[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.