These are the squads for the countries that played in the 1917 South American Championship. The participating countries were Argentina, Brazil, Chile and Uruguay. The teams played in a single round-robin tournament, earning two points for a win, one point for a draw, and zero points for a loss.^[1]

Argentina

Head Coach: n/i ^{[note 1]}

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Antonio Blanco		0	0	Rosario Central
—	2DF	Eduardo Blanco		0	0	Rosario Central
—	4FW	Pedro Calomino	(1892-03-13)13 March 1892 (aged 25)	0	0	Boca Juniors
—	4FW	Edwin Clarke		0	0	Porteño
—	1GK	Marcos Crocce		0	0	Racing Club
—	4FW	Jaime Chavín		0	0	Huracan
—	2DF	Alejandro Elordi		0	0	Ferro Carril Oeste
—	2DF	Antonio Ferro		0	0	Independiente
—	3MF	Pascual Garré		0	0	Independiente
—	4FW	Ennis Hayes	(1896-05-10)10 May 1896 (aged 21)	0	0	Rosario Central
—	1GK	Carlos Isola		0	0	River Plate
—	3MF	Juan Madero		0	0	Estudiantes
—	4FW	Alfredo Martín		0	0	Tigre
—	3MF	Pedro Martínez		0	0	Huracán
—	2DF	Ernesto Matozzi		0	0	Estudiantil Porteño
—	4FW	Alberto Ohaco	(1889-01-12)12 January 1889 (aged 28)	0	0	Racing Club
—	3MF	Francisco Olazar	(1885-07-10)10 July 1885 (aged 32)	0	0	Racing Club
—	3MF	Ricardo Pepe		0	0	Racing Club
—	4FW	Juan Perinetti		0	0	Racing Club
—	2DF	Armando Reyes		0	0	Racing Club
—	4FW	Nicolás Vivaldo		0	0	Racing Club

• Marcos Francisco Crocce GK 6/3/1894 Racing Club (Argentina). *Carlos Isola GK 6/3/1896 River Plate (Argentina). *Juan Alejandro Elordi DF 26/2/1894 Ferrocarril Oeste (Argentina). *Antonio Ferro DF 17/3/1896 Independiente (Argentina). *Ernesto Matozzi DF 19/5/1895 Estudiantil Porteño (Argentina). *Armando Reyes DF 28/10/1893 Racing Club (Argentina). *Eduardo Blanco DF / /1897 Rosario Central (Argentina). *Pascual Garre MF / /18 Independiente (Argentina). *Juan A. Madero DF / /18 Estudiantes Caseros Buenos Aires (Argentina). *Ricardo Pepe MF / /18 Racing Club (Argentina). *Antonio Blanco FW / /18 Rosario Central (Argentina). *Edwin Clarke FW / /18 Club Atletico Porteño (Argentina). *Jaime Chavin FW 25/07/1899 Huracan (Argentina).
• Alfredo Angel Martin FW 30/04/1894 Tigre (Argentina).
• Juan Nelusco Perinetti FW / /1891 Racing Club (Argentina). *Nicolas Vivaldo FW / /1896 Racing Club (Argentina).

Brazil

Head coach: Sílvio Lagreca

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	3MF	Adhemar		0	0	America
—	4FW	Amílcar		0	0	Corinthians
—	4FW	Arnaldo		0	0	Santos
—	4FW	Caetano Izzo		0	0	Palestra Itália
—	1GK	Casemiro		0	0	Mackenzie
—	2DF	Chico Netto		0	0	Fluminense
—	3MF	Antonio Dias De Paiva		0	0	America
—	4FW	Dias		0	0	São Bento-SP
—	3MF	Galo		0	0	Flamengo
—	3MF	Haroldo		0	0	Santos
—	3MF	Lagreca		0	0	São Bento-SP
—	4FW	Neco		0	0	Corinthians
—	4FW	Millon		0	0	Santos
—	3MF	Otto		0	0	Santos
—	2DF	Osny		0	0	Botafogo
—	3MF	Paula Ramos		0	0	America
—	3MF	Picagli		0	0	Palestra Itália
—	2DF	Vidal		0	0	Fluminense

Chile

Head Coach: Julián Bertola Alareo

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	1GK	Manuel Guerrero		0	0	La Cruz FC
—	3MF	Juan Alvarado		0	0	Artillero de Costa FC
—	2DF	Héctor Baeza		0	0	Santiago Wanderers
—	4FW	Hernando Bolados		0	0	Union Marítimo FC
—	2DF	Enrique Cárdenas		0	0	Santiago Wanderers
—	3MF	Juan Chester		0	0	Union Española
—	3MF	Guillermo Cisternas		0	0	Maestranza
—	4FW	Luis Encina		0	0	Valparaíso FC
—	3MF	Luis García		0	0	Tander FC
—	2DF	Francisco Gatica		0	0	Eleuterio Ramírez FC
—	4FW	Manuel Geldes		0	0	Santiago Wanderers
—	3MF	Norberto Guevara		0	0	Gould Cross
—	4FW	Bartolo Muñoz		0	0	Fernández Vial
—	4FW	Horacio Muñoz		0	0	Fernández Vial
—	4FW	Julio Paredes		0	0	Talca Nacional
—	4FW	Rodolfo Rojas		0	0	Loma Blanca

Uruguay

Head Coach: Ramón Platero

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	2DF	José Pedro Benincasa		0	0	Peñarol
—	3MF	Sadí Couture		0	0	Dublin
—	1GK	Alfredo Balmelli		0	0	Central
—	3MF	Juan Delgado		0	0	Peñarol
—	2DF	Alfredo Foglino		0	0	Nacional
—	4FW	Isabelino Gradín		0	0	Peñarol
—	4FW	Carlos Mongelar		0	0	Universal
—	4FW	Raúl Garrido		0	0	Universal
—	4FW	Nelson Montes		0	0	Wanderers
—	4FW	Gregorio Rodríguez		0	0	Universal
—	2DF	Jorge Pacheco		0	0	Peñarol
—	3MF	José Pérez		0	0	Peñarol
—	4FW	José Piendibene		0	0	Peñarol
—	4FW	Ángel Romano		0	0	Nacional
—	4FW	Carlos Scarone		0	0	Nacional
—	1GK	Cayetano Saporiti		0	0	Wanderers
—	4FW	Héctor Scarone		0	0	Nacional
—	3MF	Pascual Somma		0	0	Nacional
—	3MF	Antonio Urdinarán		0	0	Defensor
—	3MF	José Vanzzino		0	0	Nacional
—	2DF	Manuel Varela		0	0	Peñarol
—	3MF	Juan José Villar		0	0	Wanderers
—	2DF	Alfredo Zibechi		0	0	Wanderers