| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Generoso Dattilo |
|
25 | 10 | 6 | 9 | 0 | 0 | 0 | 1 |
| Rinaldo Barlassina |
|
21 | 7 | 8 | 6 | 0 | 0 | 0 | 1 |
| Francesco Mattea |
|
12 | 7 | 1 | 4 | 1 | 0 | 0 | 0 |
| Giacomo Bertolio |
|
11 | 4 | 4 | 3 | 0 | 0 | 0 | 0 |
| Guiseppe Scarpi |
|
11 | 4 | 4 | 3 | 0 | 0 | 0 | 0 |
| Mario Scotto |
|
7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
| Achille Pizziolo |
|
6 | 0 | 5 | 1 | 0 | 0 | 0 | 0 |
| Otello Sassi |
|
2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
| Oreste Dellarole |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Camillo Caironi |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Giovanni Galeati |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
