Katja Koroleva — football referee from United States. Profile and matches officiated on Champslig.
- Nationality:
- United States
Season record
| Season | Competition | Matches | Yellow | Red | Fouls |
|---|---|---|---|---|---|
| 2026 | Major League Soccer | 1 | 7 | 0 | 25 |
| 2025 | Major League Soccer | 1 | 6 | 0 | 22 |
| 2024 | Major League Soccer | 1 | 2 | 0 | 35 |
