Campeonato Paulista Segunda Divisão is the fifth tier of the professional state football league in the Brazilian state of São Paulo. It is run by the São Paulo State Football Federation (FPF).

The Brazil Paulista Série B is a prominent football competition in the São Paulo state, serving as the second tier of professional football within the region. Organized by the Federação Paulista de Futebol (FPF), the tournament features a competitive lineup of clubs vying for promotion to the top-tier Série A1. Known for its passionate fan base and intense rivalries, the Série B showcases emerging talents and provides a platform for smaller clubs to demonstrate their skills. The season typically includes a series of matches held across various stadiums in São Paulo, culminating in a decisive playoff or final to determine the champion. The Brazil Paulista Série B plays a vital role in the development of local football, fostering competitive spirit and nurturing future stars of Brazilian soccer.