| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Romualdo Arppi Filho |
|
4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
| Juan Cardellino |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Ramón Barreto |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Guillermo Budge |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Wilfredo Cáceres |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gregorio da Rosa |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Luis da Rosa |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Bruno Galler |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Augusto Lamo Castillo |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Mario Lira |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Rómulo Méndez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Néstor Mondria |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Pedro Reyes |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Francisco Váldez |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
