The CONMEBOL Sub 20 Femenina is a South American football tournament organized by the CONMEBOL for South American national teams of women under age of 20. It serves as a qualification tournament for the FIFA U-20 Women's World Cup. The first edition was for players under the age of 19.

The last edition was held in 2022 in Chile. Brazil has won all the competitions with 10 titles in total.

For the 2002 and 2004 FIFA U-19 Women's World Championship, South America was given one qualification spot. In 2002 Brazil and Peru played a two legged play-off for one spot allocated to South America. Brazil won 12–0 on aggregate. Since 2006 South America has been given two spots for the now-renamed FIFA U-20 Women's World Cup. In this tournament, Brazil has reached the third-place match three times and Colombia reached the third-place match in 2010. Argentina has been eliminated from the group stage for all three of their appearances; Paraguay and Chile were eliminated from the group stage in their only appearance.

The South American U20 Championship Women is a premier youth football tournament organized by CONMEBOL, featuring the top under-20 female teams from South America. This prestigious competition serves as a platform for emerging talent to showcase their skills and compete at a high level, fostering the development of women's football across the continent. Held biennially, the tournament brings together national teams from countries such as Brazil, Argentina, Colombia, Chile, Uruguay, Peru, Ecuador, and Bolivia. It not only determines the regional champion but also often acts as a qualifying event for global competitions like the FIFA U-20 Women's World Cup. With vibrant matches, rising stars, and intense rivalries, the South American U20 Championship Women is a celebration of young talent and the future of women's football in South America.