Water polo at the World Aquatics Championships
Water polo at the World Aquatics Championships is an international water polo tournament held every two years as part of the World Aquatics Championships. The reigning champions are Spain in men's and Greece in women's competition.
Men's tournament
Player statistics
| Captain | Apps | Appearances | Ref | Reference | Rk | Rank | |
| L/R | Handedness | Pos | Playing position | FP | Field player | GK | Goalkeeper |
Women's tournament
Player statistics
| Captain | Apps | Appearances | Ref | Reference | Rk | Rank | |
| L/R | Handedness | Pos | Playing position | FP | Field player | GK | Goalkeeper |
Combined medal table
The following table is pre-sorted by number of gold medals, number of silver medals, number of bronze medals, name of the country, respectively.Italy, Hungary and Spain are the only three countries to win both the men's and women's water polo tournaments at the World Aquatics Championships.
;Legend† – ''Former country''