These are the squads for the countries that played in the 1956 Panamerican Championship.

The age listed for each player is on 26 February 1956, the first day of the tournament. The numbers of caps and goals listed for each player do not include any matches played after the start of the tournament. The club listed is the club for which the player last played a competitive match before 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.

Argentina Head Coach: Guillermo Stábile

Brazil Head coach: Teté

Costa Rica Head coach: Alfredo Piedra

Chile Head Coach: Luis Tirado

Mexico Head coach: Antonio López Herranz

Peru Head Coach: Arturo Fernández Meyzán

References