These are the squads for the countries that played in the 1945 South American Championship.^[1][2] The participating countries were Argentina, Bolivia, Brazil, Chile, Colombia (for the first time), Ecuador, and Uruguay. Paraguay and Peru withdrew from the tournament. 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. Colombia was represented by the club Junior.^[3]

Argentina

Head Coach: Guillermo Stábile

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	1GK	Fernando Bello	(1910-11-29)29 November 1910 (aged 34)	0	0	Independiente
—	4FW	Mario Boyé		0	1	Boca Juniors
—	3MF	Bartolomé Colombo		0	0	San Lorenzo
—	4FW	Vicente de la Mata		0	2	Independiente
—	2DF	Rodolfo de Zorzi		0	0	Boca Juniors
—	3MF	Enrique Espinoza		0	0	Atlanta
—	4FW	Armando Farro		0	0	San Lorenzo
—	4FW	Juan José Ferraro		0	2	Vélez Sársfield
—	3MF	Alfredo Fógel		0	0	Rosario Central
—	4FW	Félix Loustau		0	2	River Plate
—	4FW	Rinaldo Martino		0	4	San Lorenzo
—	3MF	Norberto Méndez		0	6	Huracán
—	4FW	Juan Carlos Muñoz		0	0	River Plate
—	2DF	Nicolás Palma		0	0	Estudiantes (LP)
—	4FW	Manuel Pellegrina		0	1	Estudiantes (LP)
—	3MF	Ángel Perucca		0	0	Newell's Old Boys
—	3MF	Natalio Pescia		0	0	Boca Juniors
—	4FW	René Pontoni		0	4	San Lorenzo
—	1GK	Héctor Ricardo		0	0	Rosario Central
—	2DF	José Salomón		0	0	Racing
—	3MF	Óscar Sastre		0	0	Independiente
—	2DF	Carlos Sosa		0	0	Boca Juniors
—	2DF	Roberto Yebra		0	0	Rosario Central

Bolivia

Head Coach: Julio Borelli [fr]

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	2DF	Alberto Acha	(1920-04-03)3 April 1920 (aged 24)	0	0	The Strongest
—	1GK	Vicente Arraya	(1922-01-25)25 January 1922 (aged 22)	0	0	Club Ferroviario [it]
—	3MF	Exequiel Calderón		0	0	The Strongest
—	3MF	Raúl Fernández		0	1	The Strongest
—	4FW	Zenón González [ca]	(1919-06-23)23 June 1919 (aged 25)	0	1	Club Ferroviario [it]
—	4FW	Fortunato Gorostiaga		0	0	Charcas
—	3MF	Manuel Gutiérrez		0	0	Club Bolívar
—	3MF	Ruperto Inchausti	(1918-03-27)27 March 1918 (aged 26)	0	0	Club Junín
—	4FW	Donato Medrano		0	0	Ayacucho FC
—	4FW	Severo Orgaz		0	1	The Strongest
—	4FW	Walter Orozco		0	0	Club Bolívar
—	4FW	Adrián Ortega		0	0	Club Ferroviario [it]
—	4FW	Miguel Peredo		0	0	Club Junín
—	1GK	Cleto Prieto		0	0	Ayacucho FC
—	2DF	Nicolás Prieto		0	0	Deportivo Bata [it]
—	2DF	Hernán Rojas		0	0	Club Bolívar
—	4FW	Roqur Romero		0	0	Club Bolívar
—	3MF	Martín Saavedra		0	0	The Strongest
—	4FW	Armando Tapia		0	0	Club Ferroviario [it]

Brazil

Head coach: Flávio Costa

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	4FW	Ademir Marques de Menezes	(1922-11-08)8 November 1922 (aged 22)	0	5	Vasco da Gama
—	3MF	Alfredo Ramos dos Santos		0	0	Vasco da Gama
—	2DF	Begliomini		0	0	Corinthians
—		Biguá		0	0	Flamengo
—		Domingos da Guia		0	0	Corinthians
—		Danilo Alvim		0	0	America FC
—		Djalma Bezerra dos Santos		0	0	Vasco da Gama
—		Heleno de Freitas		0	6	Botafogo
—		Jaime de Almeida		0	1	Flamengo
—		Jair da Rosa Pinto		0	2	Vasco da Gama
—		Jorginho		0	1	America FC
—		Newton Canegal		0	0	Flamengo
—		Norival Pereira da Silva		0	0	Fluminense
—		Oberdan Cattani		0	0	Palmeiras
—		Rui Campos		0	1	São Paulo
—		Servílio de Jesús		0	0	Corinthians
—		Tesourinha		0	1	SC Internacional
—		Vevé		0	0	Flamengo
—		Zizinho		0	2	Flamengo

Chile

Head Coach: Franz Platko

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	3MF	Juan Alcántara	(1920-03-06)6 March 1920 (aged 24)	0	0	Audax Italiano
—	4FW	Benito Armingol	(1919-09-07)7 September 1919 (aged 25)	0	0	Unión Española
—	3MF	Carlos Ataglich	(1915-09-21)21 September 1915 (aged 29)	0	0	Bádminton F.C.
—		Florencio Barrera	(1915-06-06)6 June 1915 (aged 29)	0	0	Magallanes
—		Miguel Busquets	(1920-10-15)15 October 1920 (aged 24)	0	0	Club Universidad de Chile
—		Mario Castro	(1923-09-23)23 September 1923 (aged 21)	0	0	Santiago Morning
—		Guillermo Clavero	(1921-10-10)10 October 1921 (aged 23)	0	0	Everton de Viña del Mar
—		Armando Contreras	(1919-06-15)15 June 1919 (aged 25)	0	0	Colo Colo
—		Atilio Cremaschi	(1923-03-08)8 March 1923 (aged 21)	0	0	Unión Española
—		Francisco Hormazábal	(1920-07-04)4 July 1920 (aged 24)	0	0	Colo Colo
—		Víctor Klein	(1917-10-02)2 October 1917 (aged 27)	0	0	Santiago Morning
—		Francisco Las Heras	(1914-07-03)3 July 1914 (aged 30)	0	0	Magallanes
—	1GK	Sergio Livingstone	(1920-03-26)26 March 1920 (aged 24)	0	0	CD Universidad Católica
—		Desiderio Medina	(1919-10-10)10 October 1919 (aged 25)	0	0	Santiago National
—		José Pastenes	(1915-07-10)10 July 1915 (aged 29)	0	0	Colo Colo
—		Manuel Piñero	(1920-08-20)20 August 1920 (aged 24)	0	0	Audax Italiano
—		Humberto Roa	(1912-02-21)21 February 1912 (aged 32)	0	0	Audax Italiano
—		Jorge Vásquez	(1922-05-09)9 May 1922 (aged 22)	0	0	Colo Colo
—		Erasmo Vera	(1923-03-13)13 March 1923 (aged 21)	0	0	Santiago Morning

Colombia

Head Coach: Roberto Meléndez (also participated as footballer)

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—	1GK	Andrés Acosta		0	0	Deportivo Santa Marta
—	2DF	Pedro Ricardo López	1912 (aged 33) (1912)	3	0	Once Deportivo
—	2DF	Lucas Martínez		0	0	Sporting de Barranquilla [es]
—	2DF	Gabriel Mejía		0	0	Junior
—	2DF	Humberto Picalúa		1	0	Junior
—	3MF	Antonio de la Hoz [es]	1920 (aged 25) (1920)	0	0	Sporting de Barranquilla [es]
—	3MF	Isidro Joliani		1	0	Junior
—	3MF	Juan Quintero		0	0	Junior
—	4FW	Fulgencio Berdugo	(1918-06-14)14 June 1918 (aged 26)	0	0	Junior
—	4FW	Lancáster de León		0	0	Junior
—	4FW	Roberto Gámez		0	0	Junior
—	4FW	Rafael Granados		0	0	Junior
—	4FW	Luis González Rubio		0	0	Junior
—	4FW	Marcos Mejía		2	2	Junior
—	4FW	Roberto Meléndez	(1912-03-31)31 March 1912 (aged 32)	1	0	Junior
—	4FW	Arturo Mendoza		0	0	Junior
—	4FW	Carlos Recio		0	0	Junior
—	4FW	José de Jesús Zapata	(1916-09-03)3 September 1916 (aged 28)	2	0	FC Medellin
—	1GK	Humberto Arbeláez		0	0	Juventud de Barranquilla
—	2DF	Juan Navarro		0	0	Real Madrid Santa Marta

Ecuador

Head Coach: Rodolfo Orlandini

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—		Pedro Acevedo	(1915-06-25)25 June 1915 (aged 29)	0	0	Aucas
—		Víctor Aguayo		0	4	Aucas
—		Luis Albán		0	0	Tungurahua
—		Guillermo Albornoz	(1923-08-30)30 August 1923 (aged 21)	0	1	Sociedad Deportiva Argentina
—		Enrique Cantos [es]	(1925-01-18)18 January 1925 (aged 19)	0	0	Emelec
—		Carlos Garnica	(1917-09-23)23 September 1917 (aged 27)	0	0	Aucas
—		Jorge Henríques [es]	(1921-09-02)2 September 1921 (aged 23)	0	0	Audax Italiano
—		José María Jiménez	(1921-07-22)22 July 1921 (aged 23)	0	1	Patria
—		Napoleón Medina	(1919-11-26)26 November 1919 (aged 25)	0	0	Patria
—		Eloy Mejía		0	0	Aucas
—		José Luis Mendoza		0	1	Emelec
—		Luis Antonio Mendoza	(1914-08-25)25 August 1914 (aged 30)	0	1	Emelec
—		Luis Montenegro		0	0	Aucas
—		Enrique Raymondi		0	1	Patria
—		Víctor Suárez	(1921-07-27)27 July 1921 (aged 23)	0	0	Riobamba
—		Francisco Villagómez		0	0	Guayas
—		Félix Leyton Zurita	(1921-11-22)22 November 1921 (aged 23)	0	0	Barcelona S.C.

Uruguay

Head Coach: José Nasazzi

No.	Pos.	Player	Date of birth (age)	Caps	Goals	Club
—		Juan José Carvidón		0	0	Montevideo Wanderers
—		Luis Ernesto Castro		0	0	Club Nacional de Football
—		José Pedro Colturi		0	0	Club Atlético Peñarol
—		Nicolás Falero		0	1	Central Español
—		Schubert Gambetta		0	0	Club Nacional de Football
—		Atilio García		0	5	Club Nacional de Football
—		José García		0	2	Defensor Sporting
—		Roque Máspoli		0	0	Club Atlético Peñarol
—		José María Ortíz		0	1	Club Atlético Peñarol
—		Raúl Pini		0	0	Club Nacional de Football
—		Roberto Porta		0	3	Club Nacional de Football
—		Agustín Prado		0	0	Club Atlético Peñarol
—		Juan Riephoff		0	1	Rampla Juniors
—		Juan Santiago		0	0	Liverpool
—		Raúl Sarro		0	0	Defensor Sporting
—		Eusebio Tejera		0	0	River Plate
—		Obdulio Varela		0	1	Club Atlético Peñarol
—		General Viana		0	0	Club Nacional de Football
—		Bibiano Zapirain		0	0	Club Nacional de Football