Atlético Mineiro conceded the fewest goals in Campeonato Brasileiro in 2021, with 34 goals from 38 games. Flamengo, Corinthians and Atlético GO were next on 36.
Atlético Mineiro had the fewest goals conceded per game in Campeonato Brasileiro in 2021, with 0.9 a game, 34 goals from 38 games. Nine teams were next on 1.0.
| Rank | Team | Goals Against |
|---|---|---|
| 1 | Atlético Mineiro | 34 |
| 2 | Flamengo | 36 |
| 3 | Corinthians | 36 |
| 4 | Atlético GO | 36 |
| 5 | América Mineiro | 37 |
| 6 | Cuiabá | 37 |
| 7 | Sport Recife | 37 |
| 8 | Fluminense | 38 |
| 9 | Ceará | 38 |
| 10 | São Paulo | 39 |
| 11 | Santos | 40 |
| 12 | Internacional | 42 |
| 13 | Palmeiras | 43 |
| 14 | Juventude | 44 |
| 15 | Fortaleza | 45 |
| 16 | Athletico PR | 45 |
| 17 | Bragantino | 46 |
| 18 | Grêmio | 51 |
| 19 | Bahia | 51 |
| 20 | Chapecoense | 67 |