2023 Campeonato Brasileiro Série D
The 2023 Campeonato Brasileiro Série D was a football competition held in Brazil, equivalent to the fourth division. The competition began on 6 May and ended on 16 September 2023. Sixty-four teams competed in the tournament. Sixty teams qualified from their state leagues and cups, and four relegated from the 2022 Campeonato Brasileiro Série C (Atlético Cearense, Brasil de Pelotas, Campinense and Ferroviário). The four semi-finalists, Athletic, Caxias, Ferroviária and Ferroviário, were promoted to the 2024 Campeonato Brasileiro Série C.

In the finals, Ferroviário won their second title after defeating Ferroviária 2–1 on aggregate. Ferroviário finished the tournament without a single defeat. Teams

Federation ranking
The number of teams from each state was chosen based on the CBF State Ranking. Participating teams

Notes

Format
In the group stage, the 64 teams were divided into eight groups of eight organized regionally. Top four teams qualified for the round of 32. From the round of 32 on the competition was played as a knock-out tournament with each round contested over two legs. Group stage
In the group stage, each group was played on a home-and-away round-robin basis. The teams were ranked according to points (3 points for a win, 1 point for a draw, and 0 points for a loss). If tied on points, the following criteria would be used to determine the ranking: 1. Wins; 2. Goal difference; 3. Goals scored; 4. Head-to-head (if the tie was only between two teams); 5. Fewest red cards; 6. Fewest yellow cards; 7. Draw in the headquarters of the Brazilian Football Confederation (Regulations Article 14). The top four teams qualified for the round of 32. Group A1

Group A2

Group A3

Group A4

Group A5

Group A6

Group A7

Group A8

Final stages
The final stages were played on a home-and-away two-legged basis. For the round of 16, semi-finals and finals, the best-overall-performance team hosted the second leg. If tied on aggregate, the away goals rule would not be used, extra time would not be played, and the penalty shoot-out would be used to determine the winners (Regulations Article 19). For the quarter-finals, teams were seeded based on the table of results of all matches in the competition. The top four seeded teams hosted the second leg. The four quarter-finals winners were promoted to 2024 Série C.

Round of 32
The round of 32 was a two-legged knockout tie, with the draw regionalised. The matches were played from 29 July to 6 August. Matches

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Round of 16
The matches were played from 12 to 20 August. Matches

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Quarter-finals
The draw for the quarter-finals was seeded based on the table of results of all matches in the competition for the qualifying teams. The teams were ranked according to points. If tied on points, the following criteria would be used to determine the ranking: 1. Wins; 2. Goal difference; 3. Goals scored; 4. Fewest red cards; 5. Fewest yellow cards; 6. Draw in the headquarters of the Brazilian Football Confederation (Regulations Article 16). Quarter-finals seedings

Matches
The matches were played from 26 August to 3 September. |}

Semi-finals
The matches were played from 6 to 10 September. Matches

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Finals
The matches were played from 13 to 16 September. Matches

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Top goalscorers

References 

Campeonato Brasileiro Série D seasons
4
2023 in Brazilian football