Has there ever been a 5–5 in the Brasileirão?

Yes, 2 times.

The first time: October 10, 1998, Atlético-MG and Botafogo drew (Atlético-MG 5–5 Botafogo).

The last time: May 11, 2008, Portuguesa and Figueirense drew (Portuguesa 5–5 Figueirense), 18 years ago.

Nearby scores

1. 6–4 5 times
2. 6–5 Never
3. 6–6 Never
4. 5–4 10 times
5. 5–5 2 times
6. 4–4 17 times

All games

1. May 11, 2008 Portuguesa 5–5 Figueirense
2. October 10, 1998 Atlético-MG 5–5 Botafogo