The 2017 Campeonato Brasileiro Série D, the fourth level of the Brazilian League, was contested by 68 clubs.
Atlético Acreano, Globo, Juazeirense and Operário Ferroviário qualified for the semi-finals and were promoted to the 2018 Campeonato Brasileiro Série C. Operário Ferroviário won the title after defeating Globo in the final.
From the second stage on the competition was played as a knock-out tournament with each round contested over two legs.
[2] Ranking of group winners to determine the worst performing team to be placed into pot 2 is achieved by comparing 1) Points gained 2) Most victories 3) Best goal difference 4) Most goals scored 5) Sort.
[2] The second stage matches were originally scheduled between 1 and 9 July, but they were rescheduled due to the investigation involving São Raimundo.
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 draw for the semi-finals was seeded based on the table of results of all matches in the competition for the qualifying teams.