Water polo at the World Aquatics Championships is an international water polo tournament held every two years as part of the FINA World Aquatics Championships. The reigning champions are Spain in men's and the United States in women's competition.
Tamás Kásás is a retired Hungarian water polo player.
The men's water polo tournament at the 1992 Summer Olympics was held from 1 to 10 August 1992, in Barcelona, Spain. Reigning world champion Yugoslavia had qualified for the tournament, but as it had formally dissolved in the interim, it did not participate. The successor countries did not participate for several reasons. The Federal Republic of Yugoslavia could not participate due to the UN sanctions due to their aggression on Croatia and Bosnia and Herzegovina. Croatia, which was the strongest among them at the time, also did not participate in the water polo tournament. The position of Yugoslavia was replaced by Czechoslovakia.
The Croatia men's national water polo team represents Croatia in international water polo competitions and is controlled by the Croatian Water Polo Federation. They have won gold medals in the Olympics, World and European Championships, FINA World League and Mediterranean Games, making them one of the most successful men's water polo teams in the world. Overall Croatia won 28 medals at competitions.
The Australian national water polo team represents Australia in men's international water polo competitions and is controlled by Water Polo Australia. The national men's team has the nickname of "The Sharks". It is organised into the Asia/Oceania regional group.
Dezső Gyarmati was a Hungarian water polo player and three-time Olympic champion; he later became the coach of the Hungarian national water polo team. Widely regarded as a "legendary player", Gyarmati was the most decorated player in the history of the sport.
The Hungary men's national water polo team represents Hungary in international men's water polo competitions and is controlled by the Hungarian Water Polo Association. It is considered the world's top power in the history of water polo, having won 16 Olympic, 11 World Championship, 10 FINA World Cup, eight FINA World League, 24 European Championship and 16 Summer Universiade medals for a total of 88.
Yugoslavia men's national water polo team was the national water polo team that represented the Kingdom of Serbs, Croats and Slovenes (1920–1929), the Kingdom of Yugoslavia (1929–1941) and the Federal Yugoslavia (1946–1992). They were one of strongest waterpolo teams in history of sport, having won 7 Olympic, 4 World Championship, 5 World Cup and 13 European Championship medals.
Filip Filipović is a Serbian water polo player widely considered to be one of the greatest players in the history of the sport. He was a member of the Serbia men's national water polo teams that won bronze medals at the 2008 and 2012 Olympics and gold medals in 2016 and 2020. He also held the world title in 2009 and 2015 and the European title in 2003, 2006, 2012, 2014, 2016 and 2018. He was named Most Valuable Player at the 2011 World Championships. He was also voted as the male water polo "World Player of the Year" in 2011, 2014 and 2021 by the FINA magazine. He played for Pro Recco in Italy and won three LEN Champions League and three LEN Super Cup with them. Currently, he plays for Olympiacos.
Dénes Andor Varga is a Hungarian water polo player, currently playing for Ferencváros.
The women's water polo tournament at the 2007 World Aquatics Championships, organised by the FINA, was held in Melbourne, Australia from 19 March to 1 April 2007.
Water polo at the 2009 World Aquatics Championships were held from July 19 to August 1, 2009, in Rome, Italy.
Water polo in the 2013 World Aquatics Championships was held between 21 July – 3 August at Piscines Bernat Picornell in Barcelona, Spain.
The men's water polo tournament at the 2013 World Aquatics Championships, organised by the FINA, was held in the Piscines Bernat Picornell in Barcelona, Spain from 23 July to 3 August 2013.
The men's tournament of Water polo at the 2016 Summer Olympics at Rio de Janeiro, Brazil, began on 6 August and ended on 20 August 2016. Games were held at the Maria Lenk Aquatics Centre and the Olympic Aquatics Stadium.
The men's water polo tournament at the 2017 World Aquatics Championships, organised by the FINA, was held in Budapest, Hungary from 17 to 29 July 2017.
The men's water polo tournament at the 2019 World Aquatics Championships, organised by the FINA, was held in Gwangju, South Korea from 15 to 27 July. This was the eighteenth time that the men's water polo tournament has been played since the first edition in 1973.
The men's water polo tournament at the 2022 World Aquatics Championships was held from 21 June to 3 July 2022 in Budapest, Hungary. This was the 19th time that the men's water polo tournament has been played since the first edition in 1973.
Australia (in Melbourne host cities)
Croatia (1st title)
Hungary 
Spain 
Serbia 
Anthony Azevedo 
