The Brazil national under-20 football team, also known as Brazil Sub-20 or Seleção Sub-20, represents Brazil in association football at this age level and is controlled by the Brazilian Football Confederation (CBF). The team has won the South American Youth Championship a record twelve times and is the second most successful nation in the FIFA U-20 World Cup, having won the competition five times. It also plays in unofficial under-19 and under-21 tournaments, such as the Toulon Tournament, of which Brazil is an eight-time winner. Notable players that came through the ranks and went on to play for the senior team include Ronaldinho, Kaká, Rivaldo, Romário, Marcos, Roberto Carlos, César Sampaio, Cláudio Taffarel, Bebeto, Dida, Neymar, Dani Alves, Maicon, Adriano, Júlio Baptista, Luisão, Alex, Giovane Élber, Leonardo, Müller, Silas, Marcelo, David Luiz, Willian, Jô and Lucas Moura, among others.

Competitive record

FIFA U-20 World Cup record

South American Youth Championship record

Current squad

The following 21 players were called up for the 2023 FIFA U-20 World Cup. ''Caps and goals updated as of 12 June 2023, after the match against. Names in bold denote players who have been capped by Brazil in the full side.''

Recent call-ups

The following players were named to a squad in the last 12 months.

Top goalscorers

Individual awards

Honours

Friendlies

Managers

Head-to-head record

The following table shows Brazil's head-to-head record in the FIFA U-20 World Cup.