U-20 Copa Libertadores
| Organizing body | CONMEBOL |
|---|---|
| Founded | 2011 |
| Region | South America |
| Number of teams | 12 |
| Qualifier for | Under-20 Intercontinental Cup |
| Related competitions | Copa Libertadores |
| Current champion(s) | Flamengo (2nd title) |
| Most successful club(s) | Flamengo (2 titles) |
| Website | conmebol.com/libsub20 |
| 2025 U-20 Copa Libertadores | |
The CONMEBOL Under-20 Libertadores (Portuguese and Spanish: CONMEBOL Libertadores Sub 20) is the international association football club competition for teams that play in CONMEBOL leagues. It was created by Manuel Burga Seoane and the Peruvian Football Federation. The competition started in the 2011 season in response to the increased interest in youth football.