The Campeonato Brasileiro Série B (commonly referred to as the Brasileirão Série B, the Série B or the Brazilian Série B to distinguish it from the Italian Serie B and the Ecuadorian Serie B), and currently officially called Brasileirão Série B Betnacional by sponsorship reasons ) is the second tier of the Brazilian football league system. Although not having been played annually since its founding in 1971, the competition format has changed almost every season. Since 2006 it has been contested by 20 teams in a double round-robin format with the top four teams being promoted to the Campeonato Brasileiro Série A group and the bottom four teams being relegated to the Campeonato Brasileiro Série C group.

2024 Série B teams

Champions of Série B

Official champions

Below is the table of the Campeonato Brasileiro Série B champions according to the Brazilian Football Confederation:

Unofficial champions

The following seasons are not officially recognized by the CBF:

Titles by team

Below are the titles by team, according to the Brazilian Football Confederation:

Titles by state

Below are the titles by state, according to the Brazilian Football Confederation:

Participations

Most appearances

Below is the list of clubs that have more appearances in the Campeonato Brasileiro Série B.

Clubs promoted from Série B

Clubs relegated from Série B

Top scorers

Winning managers