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 men's national [water polo team|Spain] in men's and Greece women's national [water polo team|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

Multiple medalists

Women's tournament

Player statistics

	Captain	Apps	Appearances	Ref	Reference	Rk	Rank
L/R	Handedness	Pos	Playing position	FP	Field player	GK	Goalkeeper

Multiple medalists

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''