Olympics
| Referee | Games |  |  | Cards per game |
|---|
| Iván Barton | 2 | 11 | 2 | 6.5 (5.5 / 1.0) | |
| Chris Beath | 3 | 11 | 0 | 3.7 (3.7 / 0.0) | |
| Matt Conger | 2 | 6 | 3 | 4.5 (3.0 / 1.5) | |
| Ismail Elfath | 3 | 16 | 2 | 6.0 (5.3 / 0.7) | |
| Victor Gomes | 2 | 2 | 1 | 1.5 (1.0 / 0.5) | |
| Leodán González | 2 | 8 | 0 | 4.0 (4.0 / 0.0) | |
| Orel Grinfeld | 2 | 9 | 0 | 4.5 (4.5 / 0.0) | |
| Srđan Jovanović | 1 | 12 | 1 | 13.0 (12.0 / 1.0) | |
| Georgi Kabakov | 3 | 17 | 1 | 6.0 (5.7 / 0.3) | |
| Adham Makhadmeh | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Kevin Ortega | 2 | 12 | 0 | 6.0 (6.0 / 0.0) | |
| Kevin Ortega | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Artur Soares Dias | 2 | 8 | 1 | 4.5 (4.0 / 0.5) | |
| Bamlak Tessema Weyesa | 3 | 18 | 0 | 6.0 (6.0 / 0.0) | |
| Jesús Valenzuela | 3 | 11 | 1 | 4.0 (3.7 / 0.3) | |
England