The following is a list of squads for all 6 national teams that competed at the 1946 South American Championship.^[1][2]

Argentina

Head Coach: Guillermo Stábile

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Mario Boyé		0	0	Boca Juniors
—	4FW	Vicente de la Mata		0	0	Independiente
—	2DF	Juan Carlos Fonda		0	0	Platense
—	4FW	Ángel Labruna		0	0	River Plate
—	4FW	Félix Loustau		0	0	River Plate
—	2DF	José Marante		0	0	Boca Juniors
—	4FW	Rinaldo Martino		0	0	San Lorenzo
—	4FW	Norberto Méndez		0	6	Huracán
—	1GK	Gabriel Ogando		0	0	Estudiantes LP
—	2DF	Saúl Ongaro		0	0	Estudiantes LP
—	4FW	Adolfo Pedernera		0	0	River Plate
—	3MF	Natalio Pescia		0	0	Boca Juniors
—	4FW	René Pontoni		0	0	San Lorenzo
—	3MF	José Ramos		0	0	River Plate
—	2DF	Eduardo Rodríguez		0	0	River Plate
—	2DF	José Salomón		0	0	Racing
—	4FW	Juan Carlos Salvini		0	0	Huracán
—	2DF	Juan Carlos Sobrero		0	0	Newell's Old Boys
—	2DF	Carlos Sosa		0	0	Boca Juniors
—	3MF	León Strembel		0	0	Racing
—	4FW	Ezra Sued		0	0	Racing
—	1GK	Claudio Vacca		0	0	Boca Juniors

Bolivia

Head Coach: Diógenes Lara

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	2DF	Alberto Acha	(1920-04-03)3 April 1920 (aged 25)	0	0	The Strongest
—	1GK	Vicente Arraya	(1922-01-25)25 January 1922 (aged 23)	0	0	Club Ferroviario [it]
—	2DF	José Bustamante	(1921-03-05)5 March 1921 (aged 24)	0	0	Club Litoral
—	3MF	Exequiel Calderón		0	0	The Strongest
—	2DF	Armando Delgadillo		0	0	New Players Cochabamba
—	3MF	Raúl Fernández		0	0	The Strongest
—	3MF	Leonardo Ferrel	(1923-07-07)7 July 1923 (aged 22)	0	0	The Strongest
—	4FW	Félix Garzón		0	0	Club Bolívar
—	4FW	Zenón González [ca]	(1919-06-23)23 June 1919 (aged 26)	0	0	The Strongest
—	3MF	Ruperto Inchausti	(1918-03-27)27 March 1918 (aged 27)	0	0	The Strongest
—	3MF	Rodolfo Maida		0	0	New Players Cochabamba
—	1GK	Guillermo Navarro		0	0
—	4FW	Severo Orgaz		0	0	The Strongest
—	4FW	Adrián Ortega		0	0	Club Ferroviario [it]
—	4FW	Juan Peñaloza		0	0	Deportivo Bata [it]
—	4FW	Miguel Peredo		0	0	Club Junín
—	2DF	Nicolás Prieto		0	0	Deportivo Bata [it]
—	4FW	José Rossembluth		0	0	The Strongest
—	4FW	Armando Tapia		0	0	The Strongest
—	3MF	Raúl Vargas		0	0	Club Ferroviario [it]
—	4FW	Serapio Vega [es]	(1919-03-23)23 March 1919 (aged 26)	0	0	The Strongest

Brazil

Head coach: Flávio Costa

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Ademir		0	0	Vasco da Gama
—	3MF	Aleixo		0	0	Corinthians
—	1GK	Ary		0	0	Botafogo
—	2DF	Augusto		0	0	Vasco da Gama
—	4FW	Chico		0	0	Vasco da Gama
—	2DF	Domingos da Guia		0	0	Corinthians
—	3MF	Danilo		0	0	Vasco da Gama
—	4FW	Eduardo Lima		0	0	Palmeiras
—	4FW	Heleno de Freitas		0	0	Botafogo
—	3MF	Ivan		0	0	Botafogo
—	3MF	Jaime		0	0	Flamengo
—	4FW	Jair		0	0	Vasco da Gama
—	4FW	Leônidas da Silva		0	0	São Paulo FC
—	4FW	Lelé		0	0	Vasco da Gama
—	1GK	Luiz Borracha		0	0	Flamengo
—	2DF	Newton Canegal		0	0	Flamengo
—	2DF	Norival		0	0	Flamengo
—	3MF	Rui		0	0	São Paulo FC
—	4FW	Teixeirinha		0	0	São Paulo FC
—	4FW	Tesourinha		0	0	SC Internacional
—	3MF	Zezé Procópio		0	0	São Paulo FC
—	4FW	Zizinho		0	0	Flamengo

Chile

Head Coach: Luis Tirado

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—		Juan Alcántara		0	0	Audax Italiano
—		Jorge Araya		0	0	Green Cross
—		Mario Castro		0	0	Santiago Morning
—		Hernán Carvallo		0	0	CD Universidad Católica
—		Rodolfo Clavería		0	0	CD Universidad Católica
—		Atilio Cremaschi		0	0	Unión Española
—		Hernán Fernández		0	0	Unión Española
—		Guillermo Fuenzalida		0	0	Colo Colo
—		Francisco Las Heras		0	0	Magallanes
—		José López		0	0	Magallanes
—		Víctor Mancilla		0	0	CD Universidad Católica
—		Desiderio Medina		0	0	Santiago National
—		Jorge Peñaloza		0	0	Colo Colo
—		Domingo Pino		0	0	Magallanes
—		Domingo Romo		0	0	Audax Italiano
—		Francisco Ruiz		0	0	Green Cross
—		Osvaldo Sáez		0	0	Santiago Wanderers
—		Santiago Salfate		0	0	Green Cross
—		José Sepúlveda		0	0	Club Universidad de Chile
—		Erasmo Vera		0	0	Santiago Morning

Paraguay

Head Coach: Aurelio González

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	1GK	Sinforiano García	(1924-08-22)22 August 1924 (aged 21)	0	0	Cerro Porteño
—	2DF	Martín Carballo		0	0	Club Olimpia
—	2DF	Amado Casco		0	0	Club Libertad
—	2DF	Enrique Hugo		0	0	Club Guaraní
—	3MF	Francisco Calonga		0	0	Club Olimpia
—	3MF	Castor Cantero	(1918-01-12)12 January 1918 (aged 28)	0	0	Club Olimpia
—	3MF	Doroteo Coronel		0	0	Club Nacional
—	3MF	Isidoro García		0	0	Chacarita Juniors
—	3MF	Julio César Ramírez		0	0	Huracán
—	4FW	Delfín Benítez Cáceres	(1910-10-24)24 October 1910 (aged 35)	0	0	Sporting de Barranquilla
—	4FW	Nemesio Ferreira		0	0
—	4FW	Alejandrino Genés		0	0	Club Nacional
—	4FW	Leocadio Marín		0	0	Club Olimpia
—	4FW	Albino Rodríguez		0	0	River Plate
—	4FW	Porfirio Rolón [es]	(1925-05-04)4 May 1925 (aged 20)	0	0	Club Libertad
—	4FW	Vicente Sánchez		0	0	Club Nacional
—	4FW	Martín Viadiú		0	0
—	4FW	Juan Bautista Villalba	(1924-08-29)29 August 1924 (aged 21)	0	0	Sportivo Luqueño

Uruguay

Head Coach: Aníbal Tejada

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—		Claudio Vacca		0	0	River Plate
—		José Cajiga		0	0	Rampla Juniors
—		Ramón Castro		0	0	Montevideo Wanderers
—		Uribe Durán		0	0	Rampla Juniors
—		José García		0	0	Defensor Sporting
—		Walter Gómez		0	0	Central Español
—		Mario Lorenzo		0	0	Club Atlético Peñarol
—		Alcides Mañay		0	0	Defensor Sporting
—		Roque Máspoli		0	0	Club Atlético Peñarol
—		José María Medina		0	0	Club Nacional de Football
—		José María Ortiz		0	0	Club Atlético Peñarol
—		Aníbal Paz		0	0	Club Nacional de Football
—		Raúl Pini		0	0	Club Nacional de Football
—		Sixto Possamai		0	0	Club Atlético Peñarol
—		Luis Prais		0	0	Club Atlético Peñarol
—		Juan Riephoff		0	0	Rampla Juniors
—		Luis Sabatel		0	0	Rampla Juniors
—		Raúl Schiaffino		0	0	Club Atlético Peñarol
—		Eusebio Tejera		0	0	Club Nacional de Football
—		Obdulio Varela		0	0	Club Atlético Peñarol
—		José Vásquez		0	0	Club Atlético Peñarol
—		Luis Volpi		0	0	Club Nacional de Football
—		Bibiano Zapirain		0	0	Club Nacional de Football