Fla Flu (a truncation of Flamengo Fluminense) is an association football match between cross-town rivals Flamengo and Fluminense. Matches take place in the 78,000-seat Maracan Stadium, located near downtown Rio de Janeiro, in the city's Maracan district.

In South American and worldwide competitions, the club's highest achievements are their conquests of the 1981, 2024 and 2024 Copa Libertadores, and 1981 Intercontinental Cup against Liverpool, led by the club's most iconic player Zico.