| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Gabriel González |
|
2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Elias Jácome |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Jorge Antequera |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Romualdo Arppi Filho |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Juan Cardellino |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gastón Castro |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Arnaldo Coelho |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Luis da Rosa |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ernesto Filippi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Abel Gnecco |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Teodoro Nitti |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Hernán Silva |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sergio Vázquez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Martín Vázquez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
