The Brazil national under-23 football team represents Brazil in international football competitions during Olympic Games and Pan American Games. The selection is limited to players under the age of 23, except three overage players. The team is controlled by the Brazilian Football Confederation (CBF). Brazil U23 is one of the most successful teams in the Olympic football tournament, having won it twice.

Football at the Summer Olympics, also referred to as the Olympic Football Tournament, has been included in every Summer Olympic Games as a men's competition sport, except 1896 and 1932. Women's football was added to the official program at the Atlanta 1996 Games.