1921 South American Championship squads

These are the squads for the countries that played in the 1921 South American Championship. The participating countries were Argentina, Brazil, Chile and Uruguay. The teams plays in a single round-robin tournament, earning two points for a win, one point for a draw, and zero points for a loss.

Argentina
Head Coach: n/i

Brazil
Head coach: 🇧🇷 Ferreira Vianna Netto

Paraguay
Head Coach: 🇦🇷 José Durand Laguna

Uruguay
Head Coach: Ernesto Fígoli