2010 Campeonato Brasileiro Série C

In 2010, the Campeonato Brasileiro Série C, the third level of the Brazilian League, was contested by 20 clubs divided in four groups, followed by a playoff round, from July 18 to November 21, 2010. The top four clubs, the ones which qualified to the semifinals, were promoted to the Campeonato Brasileiro Série B to be contested in 2011. Meanwhile, the bottom four clubs, the ones that finished in last place of each group, were relegated to 2011 Série D.

Format

 * First Stage: The 20 teams are divided in four groups of 5, playing within them in a double round-robin format. The two best ranked in each group advance towards next stage. The last placed team in each group is relegated to Série D 2011
 * Quarterfinals: Eight qualified teams play in two-leg format, home and away. Winners qualify to semifinals and are promoted to Série B 2011.
 * Semifinals: Quarterfinals winners play in two-leg format, home and away. Winners qualify to the Finals.
 * Finals: Semifinals winners play in two-leg format, home and away. Winners are declared champions.

Knockout stages
(p) won on penalty shootout. (a) won by away goals rule.

Quarterfinals
Paysandu vs. Salgueiro first leg played on October 9; Second leg played on October 17. ABC vs. Águia de Marabá first leg played on October 16; Second leg played on October 24. Ituiutaba vs. Chapecoense first leg played on October 9; Second leg played on October 16. Criciúma vs. Macaé first leg played on October 10; Second leg played on October 23.

Team #1 played second match at home.

Semifinals
First leg played on October 30. Second leg played on November 6 and 07

Team #1 played second match at home.

Finals
All times Brazilian Daylight Saving Time

ABC won 1–0 on aggregate.