This article displays the rosters for the participating teams at the 1989 Tournament of the Americas played in Mexico City, Mexico from June 8 to June 18, 1989.

Group A

Cuba

• 4 Ángel Caballero
• 5 Augusto Duquesne
• 6 Lazaro Borrell
• 7 Noángel Luaces
• 8 Eduardo Cabrera
• 9 Raúl Dubois
• 10 Leonardo Pérez
• 11 Adalberto Rodríguez
• 12 Luciano Rivero
• 13 Daniel Scott
• 14 Roberto Simón
• 15 Andrés Guibert

• Head coach: Carmelo Ortega

Dominican Republic

• 4 Felipe Payano
• 5 Víctor Hansen
• 6 Evaristo Pérez Carrión
• 7 José Mercedes
• 8 José Vargas
• 9 José Domínguez
• 10 Máximo Tapia
• 11 Vinicio Muñoz
• 12 Hugo Cabrera
• 13 José Molina
• 14 Héctor Gil
• 15 Pedro Leandro Rodríguez

• Head coach: Leandro de la Cruz

Mexico

• 4 Antonio Reyes
• 5 Juan Espinoza
• 6 Julio Gallardo
• 7 Roberto González
• 8 Enrique González
• 9 Rafael Willis
• 10 Luis López
• 11 Enrique Ortega
• 12 Arturo Sánchez
• 13 José Luis Arroyos
• 14 Rafael Holguín
• 15 Norberto Mena

• Head coach: Gustavo Saggiante

Panama

• 4 Tito Malcolm
• 5 Enrique Grenald
• 6 Gilberto Watson
• 7 Reinaldo Cousin
• 8 Anthony Fiss
• 9 Javier Clifford
• 10 Mario Gálvez
• 11 Iván Jaén
• 12 Edgar Macías
• 13 Fernando Pinillo
• 14 Leroy Jackson
• 15 Amado Martínez

• Head coach: Reginaldo Grenald

Puerto Rico

• 4 Rafael Hernández
• 5 Federico López
• 6 Raymond Gause
• 7 Félix Rivera
• 8 Jerome Mincy
• 9 James Carter
• 10 Pablo Alicea
• 11 Edwin Pellot
• 12 Mario Morales
• 13 Orlando Marrero
• 14 Francisco de León
• 15 Ramón Ramos

• Head coach: Raymond Dalmau

United States

• 4 Elliot Perry
• 5 Rodney Monroe
• 6 Jason Matthews
• 7 Gary Payton
• 8 Chris Corchiani
• 9 Greg Dennis
• 10 Lionel Simmons
• 11 Antonio Davis
• 12 Matt Bullard
• 13 Billy Owens
• 14 Christian Laettner
• 15 Doug Smith

• Head coach: Bobby Cremins

Group B

Argentina

• 4 Andrés Santamaría
• 5 Marcelo Richotti
• 6 Diego Maggi
• 7 Carlos Cerutti
• 8 Julio Rodríguez
• 9 Marcelo Milanesio
• 10 Luis González
• 11 Miguel Cortijo
• 12 Sebastián Uranga
• 13 Carlos Romano
• 14 Diego Osella
• 15 Rubén Scolari

• Head coach: Alberto Finguer

Brazil

• 4 Paulão Berger
• 5 Maury
• 6 Gerson
• 7 Pipoka
• 8 Evandro
• 9 Cadum
• 10 Guerrinha
• 11 Marcel
• 12 Luiz Felipe
• 13 Paulão Silva
• 14 Oscar
• 15 Israel

• Head coach: Hélio Rubens Garcia

Canada

• 4 Rob Samuels
• 5 David Turcotte
• 6 Eli Pasquale
• 7 Spencer McKay
• 8 Alan Kristmanson
• 9 Tony Simms
• 10 Stewart Granger
• 11 Leo Rautins
• 12 Phil Ohl
• 13 Cord Clemens
• 14 John Karpis
• 15 Gerald Kazanowski

• Head coach: Ken Shields

Ecuador

• 4 Eduardo Chong-Qui
• 5 Tomás Caicedo
• 6 José Saltos
• 7 Demetrio Vernaza
• 8 Roland Ponce
• 9 Armando Rubio
• 10 Enguels Tenorio
• 11 Carlos Carrera
• 12 Ayub Sánchez
• 13 Jeff Escalante
• 14 Hugo Angulo
• 15 José Obando

• Head coach: Gonzalo Troya

Paraguay

• 4 Hugo González
• 5 Víctor Ljubetic
• 6 Ángel Vega
• 7 Gerardo Koppman
• 8 Luis Ocampos
• 9 Luis Dose
• 10 Santiago Ochipinti
• 11 Estéban Cabrera
• 12 Luis Schmeda
• 13 Jorge Cristaldo
• 14 Santiago Maciel
• 15 Arnoldo Penskofer

• Head coach: Carlos María Ljubetic

Venezuela

• 4 David Díaz
• 5 César Portillo
• 6 Felice Parisi
• 7 Armando Becker
• 8 Rostyn González
• 9 José Echenique
• 10 Sam Shepherd
• 11 Carl Herrera
• 12 Luis Sosa
• 13 Gabriel Estaba
• 14 Iván Olivares
• 15 Armando Palacios

• Head coach: Jesús Cordovez