Referee
| # | Name | Country | Matches | Yellow | Yellow-Red | Red | 11m | |
|---|---|---|---|---|---|---|---|---|
| 1 |  | Epifanio González | Paraguay | 7 | 35 | 0 | 2 | 0 |
| 2 |  | Carlos Torres | Paraguay | 5 | 35 | 1 | 3 | 2 |
| 3 |  | Carlos Chandía | Chile | 4 | 16 | 0 | 2 | 1 |
 | Wilson Souza Mendonça | Brazil | 4 | 18 | 1 | 1 | 0 | |
| 5 |  | Ubaldo Aquino | Paraguay | 3 | 14 | 0 | 0 | 0 |
 | Óscar Ruiz | Colombia | 3 | 17 | 1 | 0 | 0 | |
 | Horacio Elizondo | Argentina | 3 | 12 | 0 | 0 | 0 | |
 | Claudio Martín | Argentina | 3 | 12 | 0 | 0 | 0 | |
 | Oscar Sequeira | Argentina | 3 | 17 | 0 | 1 | 0 | |
 | Carlos Amarilla | Paraguay | 3 | 17 | 0 | 3 | 0 | |
 | Antônio Pereira da Silva | Brazil | 3 | 10 | 0 | 2 | 1 | |
| 12 |  | Byron Moreno | Ecuador | 2 | 9 | 0 | 1 | 1 |
 | Héctor Baldassi | Argentina | 2 | 7 | 0 | 0 | 0 | |
 | Sergio Pezzotta | Argentina | 2 | 11 | 2 | 0 | 0 | |
 | Daniel Giménez | Argentina | 2 | 4 | 1 | 0 | 1 | |
 | Márcio Rezende de Freitas | Brazil | 2 | 11 | 0 | 3 | 0 | |
 | Wagner Tardelli Azevedo | Brazil | 2 | 13 | 1 | 1 | 0 | |
 | Jorge Larrionda | Uruguay | 2 | 10 | 0 | 0 | 0 | |
 | Mario Sánchez | Chile | 2 | 9 | 0 | 0 | 0 | |
 | Gabriel Brazenas | Argentina | 2 | 13 | 0 | 1 | 1 | |
 | Saúl Feldmann | Uruguay | 2 | 9 | 0 | 0 | 0 | |
| 22 |  | René Ortube | Bolivia | 1 | 3 | 0 | 0 | 0 |
 | Ángel Sánchez | Argentina | 1 | 8 | 0 | 0 | 0 | |
 | Carlos Simon | Brazil | 1 | 6 | 0 | 0 | 0 | |
 | Rubén Selman | Chile | 1 | 5 | 0 | 0 | 1 | |
 | Gilberto Hidalgo | Peru | 1 | 3 | 0 | 2 | 0 | |
 | Paulo César de Oliveira | Brazil | 1 | 9 | 0 | 0 | 0 | |
 | Mauricio Reinoso | Ecuador | 1 | 5 | 0 | 0 | 0 | |
 | Pablo Pozo | Chile | 1 | 5 | 0 | 0 | 0 | |
 | Roger Zambrano | Ecuador | 1 | 5 | 0 | 0 | 0 | |
 | Guido Aros | Chile | 1 | 3 | 0 | 1 | 0 | |
 | Luciano Augusto Silva Teodoro de Almeida | Brazil | 1 | 4 | 0 | 0 | 0 | |
 | Robert Troxler | Paraguay | 1 | 7 | 1 | 1 | 0 |