These are the squads for the countries that played in the 1920 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.^[1]

Head Coach: Federal Technical Committee

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No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Atilio Badalini	(1899-05-12)12 May 1899 (aged 21)	0	0	Newell's Old Boys
—	2DF	Florindo Bearzotti		0	0	Belgrano (Rosario)
—	2DF	Rodolfo Bruzzone		0	0	Del Plata
—	4FW	Pedro Calomino		0	0	Boca Juniors
—	4FW	Edwin Clarke		0	0	Porteño
—	3MF	Antonio Cortella	(1896-10-11)11 October 1896 (aged 23)	0	0	Boca Juniors
—	3MF	Miguel Dellavalle	(1898-12-01)1 December 1898 (aged 21)	0	0	Belgrano (Córdoba)
—	3MF	Antonio De la Torre		0	0	Estudiantes de la Plata
—	3MF	Antonio De Miguel	(1899-06-25)25 June 1899 (aged 21)	0	0	Tiro Federal
—	1GK	Octavio Diaz		0	0	Central Cordoba
—	4FW	Raúl Echeverría		0	0	Estudiantes LP
—	3MF	Angel Frumento		0	0	Banfield
—	1GK	Ernesto Kiessel		0	0	Huracan
—	4FW	Julio Libonatti		0	0	Newell's Old Boys
—	4FW	Adolfo Lopez		0	0	Banfield
—	4FW	Fausto Lucarelli		0	0	Banfield
—	2DF	Juan Salvador Presta		0	0	Porteño
—	1GK	Américo Tesoriere		0	0	Boca Juniors
—	3MF	Eduardo Uslenghi		0	0	Porteño

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Head coach: Oswaldo Gomes

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No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	2DF	Alvariza		0	0	Brasil (RS)
—	4FW	Adhemar		0	0	América
—	4FW	Ayrton		0	0	Fluminense
—	4FW	Castelhano		0	0	Santos
—	4FW	Claudionor		0	0	Bangu
—	4FW	Constantino		0	0	Santos
—	1GK	de María		0	0	Andaraí
—	3MF	Fortes		0	0	Fluminense
—	2DF	Japonês		0	0	Fluminense
—	4FW	Junqueira		0	0	Fluminense
—	1GK	Kuntz		0	0	Fluminense
—	3MF	Martins		0	0	São Cristóvão
—	4FW	Nonô		0	0	Flamengo
—	4FW	Rodrigo		0	0	Flamengo
—	3MF	Sisson		0	0	Flamengo
—	2DF	Telefone		0	0	Flamengo
—	4FW	Zezé I		0	0	Fluminense

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Head Coach: Juan Carlos Bertone

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No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Hernando Bolados		0	0	Santiago Wanderers
—	4FW	Aurelio Domínguez		0	0	Artillero de Costa FC
—	3MF	Humberto Elgueta	(1904-09-10)10 September 1904 (aged 16)	0	0	Gold Cross
—	4FW	Alfredo France		0	0	Gold Cross
—	1GK	Manuel Guerrero		0	0	La Cruz FC
—	4FW	Horacio Muñoz		0	0	Arturo Fernández
—	4FW	Blas Parra		0	0	Artillero de Costa FC
—	2DF	Ulises Poirier		0	0	La Cruz FC
—	3MF	Víctor Toro		0	0	Unión Atlético
—	3MF	Ramón Unzaga		0	0	Estrella del Mar
—	4FW	Víctor Varas		0	0	Artillero de Costa
—	2DF	Pedro Vergara		0	0	Santiago Wanderers

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Head Coach: Ernesto Fígoli

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No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	1GK	Manuel Beloutas		0	0	Universal
—	4FW	Antonio Cámpolo		0	0	Peñarol
—	2DF	Alfredo Foglino		0	0	Club Nacional de Football
—	1GK	Juan Legnazzi		0	0	Peñarol
—	3MF	Sebastián Marroche		0	0	Reformers
—		Ricardo Medina		0	0	Central
—	4FW	José Pérez		0	0	Peñarol
—	4FW	José Piendibene		0	0	Peñarol
—	3MF	Andrés Ravera		0	0	Peñarol
—	4FW	Angel Romano		0	0	Club Nacional de Football
—	3MF	Pascual Ruota		0	0	Peñarol
—	4FW	Carlos Scarone		0	0	Club Nacional de Football
—	3MF	Pascual Somma		0	0	Club Nacional de Football
—	2DF	Domingo Tejera		0	0	Montevideo Wanderers
—	3MF	Antonio Urdinarán		0	0	Club Nacional de Football
—		Juan José Villar		0	0	Universal
—	2DF	Alfredo Zibechi		0	0	Club Nacional de Football
—	3MF	Armando Zibechi		0	0	Montevideo Wanderers

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