| Competition: | Campeonato Brasileiro Série A |
| Season: | 2006 |
| Winners: | São Paulo 4th Campeonato Brasileiro title 4th Brazilian title |
| Relegated: | Ponte Preta Fortaleza São Caetano Santa Cruz |
| Continentalcup1: | Copa Libertadores |
| Continentalcup1 Qualifiers: | São Paulo Internacional Grêmio Santos Paraná Flamengo (2006 Copa do Brasil winners) |
| Continentalcup2: | Copa Sudamericana |
| Continentalcup2 Qualifiers: | São Paulo Vasco da Gama Figueirense Goiás Corinthians Cruzeiro Botafogo Atlético Paranaense |
| Matches: | 380 |
| Total Goals: | 1030 |
| League Topscorer: | Souza (17 goals) |
| Biggest Home Win: | Figueirense 6 – 1 Palmeiras |
| Biggest Away Win: | Atlético-PR 0 - 5 Botafogo |
| Highest Scoring: | Atlético-PR 6 - 4 Vasco da Gama |
| Average Attendance: | 16,151 |
| Prevseason: | 2005 |
| Nextseason: | 2007 |
The 2006 Campeonato Brasileiro Série A was the 50th edition of the Campeonato Brasileiro Série A. It began on April 15, 2006, and reached its end on December 3, 2006.
The format was similar to the 2005 edition, though fielding two fewer teams. 20 teams competed, each team playing the other in a home-and-away format. At the season finale, the team with the most accumulated points (3 for each win, 1 for a draw, none for a loss) was declared champion.
From April 15 through June 4, 10 rounds were played. From June 9 until July 9, the tournament was suspended for the FIFA World Cup 2006. Play resumed on July 12 and continued until December 3.
Several teams had their attentions divided between other tournaments over the same duration:
| Scorer | Goals | Team |
|---|---|---|
| Souza | 17 | Goiás |
| Schwenck | 14 | Figueirense |
| Soares | 13 | Figueirense |
| Cícero | 13 | Figueirense |
| Tuta | 13 | Fluminense |