The 2019 South American U-20 Championship is an international association football tournament held in Chile. The ten national teams involved in the tournament were required to register a squad of 23 players; only players in these squads are eligible to take part in the tournament.<br>Each player had to have been born after 1 January 1999. All ages as of start of the tournament.
Players name marked in bold have been capped at full international level.
Head coach: Sixto Vizuete
The final squad was announced on 2 January 2019.
Head coach: Carlos Amadeu
The final squad was announced on 13 December 2018. Alan Souza withdrew injured and was replaced by Tetê on 5 January 2019.
Head coach: Héctor Robles
The final squad was announced on 21 December 2018. Nicolás Guerra withdrew injured and was replaced by Diego Valencia on 15 January 2019.
Head coach: Arturo Reyes
The final squad was announced on 2 January 2019. Juan Sebastián Palma was ruled out after suffering an injury and was replaced by KlÃÂver Moreno on 15 January 2019.
Head coach: Rafael Dudamel
The final squad was announced on 12 January 2019.
Head coach:
The final squad was announced on 22 December 2018. Ezequiel Barco and AgustÃÂn Almendra were ruled out after suffering injuries. They were replaced by Gonzalo Maroni and Julián López respectively.
Head coach: Jorge Célico
The final squad was announced on 2 January 2019.
Head coach: Gustavo MorÃÂnigo
The final squad was announced on 21 December 2018.
Head coach: Daniel Ahmed
The final squad was announced on 12 January 2019.
Head coach: Fabián Coito
The final squad was announced on 19 December 2018.