The water polo portion of the 2011 World Aquatics Championships was held between July 17–30 at the Shanghai Oriental Sports Center in Shanghai, China.
[1] [2] Stefano Tempesti (c)Amaurys PerezNiccolo GittoPietro FiglioliAlex GiorgettiMaurizio FelugoNiccolo FigariValentino GalloChristian PresciuttiDeni FiorentiniMatteo AicardiArnaldo DesertiGiacomo PastorinoHead coach: Sandro Campagna Slobodan SoroMarko AvramovićŽivko GocićVanja Udovičić (c)Miloš ĆukDuško PijetlovićSlobodan NikićMilan AleksićNikola RađenFilip FilipovićAndrija PrlainovićStefan MitrovićGojko PijetlovićHead coach: Dejan Udovičić Josip PavićDamir BurićMiho BoškovićNikša DobudMaro JokovićPetar MuslimFrano KaračAndro BušljeSandro SuknoSamir Barač (c)Fran PaskvalinPaulo ObradovićIvan BuljubašićHead coach: Ratko Rudić [6]