The 2025 FIFA U-20 World Cup was an international football tournament held in Chile from 27 September to 19 October 2025. The 24 participating national teams were required to register a squad of 21 players, including at least three goalkeepers (Regulations Article 26.1). Only players in these squads were eligible to take part in the tournament. The tournament exclusively required players to be born between 1 January 2005 and 31 December 2009 to be eligible, that is, they had to be a maximum of 20 years old and at least 16 years old by the end of the calendar year in which the competition was played (Regulations Article 24.2).
Each participating national team had to submit a provisional list of a minimum of 35 and a maximum of 55 players (including at least four goalkeepers) to FIFA by the deadline stipulated by them. The provisional lists were not published by FIFA and player changes were allowed only in exceptional cases (Regulations Article 25). The final list of 21 players per national team had to be submitted to FIFA by the deadline stipulated by them. All players in the final list had to be chosen from the respective provisional list. Players in the final squad could be replaced by a player from the preliminary squad due to serious injury or illness up to 24 hours prior to kickoff of the team's first match (Regulations Article 26.3).
FIFA published final lists of all teams on 22 September 2025.
The age listed for each player is on 27 September 2025, the first day of the tournament. The nationality for each club reflects the national association (not the league) to which the club is affiliated. A flag is included for coaches who are of a different nationality than their own national team. Player names marked in bold have been capped at full international level.
Group A Chile The final 21-player squad was announced on 18 September 2025.
Head coach: Nicolás Córdova
Egypt The final 21-player squad was announced on 19 September 2025.
Head coach: Osama Nabieh
Japan The final 21-player squad was announced on 12 September 2025.
Head coach: Yuzo Funakoshi
New Zealand The final 21-player squad was announced on 12 September 2025.
Head coach: Chris Greenacre
Group B Panama A preliminary 24-player squad was announced on 1 September 2025. The final 21-player squad was announced on 22 September 2025.
Head coach: Jorge Dely Valdés
Paraguay The final 21-player squad was announced on 19 September 2025.
Head coach: Antolín Alcaraz
South Korea The final 21-player squad was announced on 8 September 2025.
Head coach: Lee Chang-won
Ukraine The final 21-player squad was announced on 16 September 2025.
Head coach: Dmytro Mykhaylenko
Group C Brazil A preliminary 26-player squad was announced on 27 August 2025. On 5 September, Nathan Fernandes withdrew from the squad due to injury. The final 21-player squad was announced on 18 September 2025. A few days later, Felipe Longo was cut at the request of his club, Corinthians, and Pedro Cobra was called up to replace him.
Head coach: Ramon Menezes
Mexico The final 21-player squad was announced on 10 September 2025.
Head coach: Eduardo Arce
Morocco The final 21-player squad was announced on 19 September 2025. On 27 September 2025, Ilyass Mahsoub was called-up to replace Hamza Koutoune who was withdrawn due to his club, Annecy, refusing to release him for the tournament.
Head coach: Mohamed Ouahbi
Spain A preliminary 24-player squad was announced on 28 August 2025. On 4 September, Matias Fernandez-Pardo withdrew from the squad. The final 21-player squad was announced on 17 September 2025. On 27 September, Jon Martín withdrew due to injury and Álvaro Cortés was called up to replace him.
Head coach: Paco Gallardo
Group D Argentina The final 21-player squad was announced on 18 September 2025.
Head coach: Diego Placente
Australia A preliminary 23-player squad was announced on 11 September 2025. The final 21-player squad was announced two weeks later. Nathan Amanatidis was withdrawn due to injury.
Head coach: Trevor Morgan
Cuba The final 21-player squad was announced on 22 September 2025.
Head coach: Pedro Pablo Pereira
Italy The final 21-player squad was announced on 18 September 2025.
Head coach: Carmine Nunziata
Group E France A preliminary 24-player squad was announced on 28 August 2025. The final 21-player squad was announced on 19 September 2025.
Head coach: Bernard Diomède
New Caledonia The final 21-player squad was announced on 4 September 2025.
Head coach: Pierre Wajoka
South Africa The final 21-player squad was announced on 18 September 2025.
Head coach: Raymond Mdaka
United States A preliminary 23-player squad was announced on 28 August 2025. The final 21-player squad was announced on 19 September 2025. On 27 September, Diego Kochen withdrew due to being recalled by his club Barcelona and was replaced by Gavin Beavers.
Head coach: Marko Mitrović
Group F Colombia The final 21-player squad was announced on 22 September 2025.
Head coach: César Torres
Nigeria The final 21-player squad was announced on 15 September 2025. On 25 September 2025, Marvelous Freedom withdrew from the squad due to a knee injury and was replaced by Haruna Aliyu.
Head coach: Aliyu Zubair
Norway The final 21-player squad was announced on 9 September 2025.
Head coach: Bjørn Johansen
Saudi Arabia Head coach: Marcos Soares
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