Water polo has been part of the Summer Olympics program since the second games, in 1900. A women's water polo tournament was introduced for the 2000 Summer Olympics. Hungary has been the most successful country in men's tournament, while the United States is the only team to win multiple times at the women's tournament since its introduction. Italy was the first to win both the men's and women's water polo tournaments.
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.
The Netherlands national water polo team represents the Netherlands in men's international water polo competitions and friendly matches. The team won bronze medals at the 1948 Summer Olympics and the 1976 Summer Olympics.
The Mexico men's national water polo team represents Mexico in international men's water polo competitions and friendly matches.
The Canada men's national water polo team represents Canada in international men's water polo competitions and friendly matches. The team is overseen by Water Polo Canada, a member of the Fédération Internationale de Natation (FINA). The team qualified for the 2008 Summer Olympics in Beijing, PR China by finishing fourth at 2008 Olympic Qualifying Tournament in Romania.
The Germany national water polo team represents Germany in international men's water polo competitions and friendly matches. It is controlled by German Swimming Federation.
The United States men's national water polo team represents the United States of America internationally in men's water polo.
The Italy national water polo team represents Italy in men's international water polo competitions and is controlled by Federnuoto. The national men's team has the nickname of "Settebello", the term for the seven of diamonds in the Italian card game scopa and a pun on a standard water polo team having seven players.
The Russia men's national water polo team is the representative for Russia in international men's water polo. The team is a successor of the Soviet water polo team.
The France men's national water polo team is the representative for France in international men's water polo.
This article contains lists of results of the United States men's national water polo team at the Summer Olympics. The lists are updated as of March 30, 2020.
This article presents the national team appearances in the men's Olympic water polo tournament since the inaugural official edition in 1900.
This article lists various water polo records and statistics in relation to the Yugoslavia men's national water polo team at the Summer Olympics.
This article lists various water polo records and statistics in relation to the Italy men's national water polo team at the Summer Olympics.
This article lists various water polo records and statistics in relation to the Hungary men's national water polo team at the Summer Olympics.
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.