The 2021 CONCACAF Gold Cup was an international football tournament held in the United States from 10 July to 1 August 2021. The sixteen participating national teams were required to register a squad of 23 players, of which three have to be goalkeepers. Only players in these squads are eligible to take part in the tournament. The twelve national teams that participated in the qualifying stage were also required to submit their provisional and final lists within the deadlines indicated above.