Australia competed at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004. Australian athletes have competed in every Summer Olympic Games of the modern era. The Australian Olympic Committee sent a total of 470 athletes to the Games to compete in 29 sports.
A.S.D. Pro Recco is an Italian water polo club from Recco, in Liguria. It currently plays in Serie A1.
The United States women's national water polo team represents the United States in international women's water polo competitions and friendly matches. It is one of the leading teams in the world since the late 1990s.
The United States men's national water polo team is the representative for the United States of America in international men's water polo.
Each country was allowed to enter a team of 11 players and they all were eligible for participation.
The following is the list of squads that took part in the men's water polo tournament at the 1956 Summer Olympics.
Water polo at the 1948 Summer Olympics – Men's team squads
These are the rosters of all participating teams at the men's water polo tournament at the 2015 World Aquatics Championships in Kazan, Russia.
These are the rosters of all participating teams at the men's water polo tournament at the 2013 World Aquatics Championships in Piscines Bernat Picornell, Barcelona, Spain from 23 July–3 August.
Kazakhstan participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.
The 16th edition of the Men's FINA Water Polo World Cup were held in Berlin, Germany from September 11 to September 16, 2018. Like the final tournament of the 2007 FINA Men's Water Polo World League all matches were contested in the Europasportpark swimming pool.
Croatia competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
This article shows all participating team squads at the 2020 Men's European Water Polo Championship.
Australia competed at the 2022 World Aquatics Championships in Budapest, Hungary from 17 June to 3 July.
This article shows the roster of all participating teams at the men's water polo tournament at the 2022 World Aquatics Championships.
Argentina competed at the 2022 World Aquatics Championships in Budapest, Hungary from 18 June to 3 July.
Serbia competed at the 2022 World Aquatics Championships in Budapest, Hungary from 17 June to 3 July 2022.
This article shows the roster of all participating teams at the women's water polo tournament at the 2022 World Aquatics Championships.
This article shows all participating team squads at the 2022 Women's European Water Polo Championship.
Georgia 
Italy 
Montenegro 
Slovakia 
