The 2020 CONMEBOL Pre-Olympic Tournament was an international association football tournament held in Colombia from 18 January to 9 February 2020. 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. As the tournament will not held during the FIFA International Match Calendar, clubs were not obligated to release the players. On 10 January 2020, CONMEBOL published the lists of the ten teams.