All participating nations are represented: nineteen nations – nineteen referees.

Besides them, neutral referees (from non-participating countries) will work at the World Championships.

Daniel Flahive (Australia)
Natacha Florestano (Brazil)
Mikhail Dykman (Canada)
Shi Wei Ni (China)
Andrej Franulovic (Croatia)
Francesc Buch (Spain)
Benjamin Mercier (France)
Geirgios Stavridis (Greece)
Péter Molnár (Hungary)
Alessandro Severo (Italy)
Yosuke Kajiwara (Japan)
Damir Temyrkhanov (Kazakhstan)
Stanko Ivanovski (Montenegro)
Diana Dutilh-Dumas (Netherlands)
Michael Brooks (New Zealand)
Dion Willis (Republic of South Africa)
Sergey Naumov (Russia)
Vojin Putnikovic (Serbia)
Steven Rotstart (United States)

Diego Garibaldi (Argentina)
Maged El Shamy (Egyipt)
Frank Ohme (Germany)
Nader Ghafouri (Iran)
Adrian Alexandrescu (Romania)
Boris Margeta (Slovenia)
Daniel Daners (Uruguay)
+ one referee – TBC

In Kazan, during the previous FINA World Championships Slovenian Boris Margeta and Greek Georgios Stavridis refereed the men’s final (SRB - CRO), while Italian Massimiliano Caputi and Russian Sergey Naumov conducted the women’s (USA – NED).

The water polo tournament of the 17th FINA World Championships will start on July 15 with the first women’s group round, while the men will begin on the next day.