| Copa do Brasil | |
| Year: | 1990 |
| Other Titles: | Copa do Brasil 1990 |
| Country: |  Brazil |
| Dates: | June 19 - November 7 |
| Num Teams: | 32 |
| Winners: | Flamengo |
| Second: | Goiás |
| Matches: | 62 |
| Goals: | 119 |
| Scoring Leader: | Bizu (7) |
| Prev Season: | 1989 |
| Next Season: | 1991 |
The Copa do Brasil 1990 was the 2nd staging of the Copa do Brasil.
The competition started on June 19, 1990, and concluded on November 7, 1990, with the second leg of the final, held at the Estádio Serra Dourada in Goiânia, in which Flamengo lifted the trophy for the first time with a 0–0 draw with Goiás.
Bizu, of Náutico, with seven goals, was the competition's topscorer.
The competition was disputed by 32 clubs in a knock-out format where all rounds were played in two legs and the away goals rule was used.
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