| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Romualdo Arppi Filho |
|
4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| Angel Coerezza |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Alberto Tejada |
|
2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Oscar Veiro |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Luis Pestarino |
|
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| Roberto Barreiro |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ramón Barreto |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Gregorio da Rosa |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Alberto Ducatelli |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Juan Fortunato |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Arturo Ithurralde |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Milton Lorenzo |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Favilli Neto |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ángel Pazos |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Armando Peña |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Eduardo Rendón |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Sebastião Rufino |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Guillermo Velásquez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Paraguay