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 Mexico men's national water polo team represents Mexico in international men's water polo competitions and friendly matches.
The North Macedonia men's national water polo team was formed in 1991, following the Republic of Macedonia's declaration of independence. Before 1991, the Republic of Macedonia was part of Yugoslavia, and its players participated in the Yugoslavia national water polo team.
The Germany national water polo team represents Germany in international men's water polo competitions and friendly matches. It was named Germany's Sportsteam of the Year in 1981.
The Italian 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 Soviet Union men's national water polo team represented the Soviet Union in international water polo competitions. After the dissolution of the Soviet Union, the Russian national water polo team became the successor of Soviet team.
The Romania men's national water polo team is the representative for Romania in international men's water polo.
The Bulgaria men's national water polo team is the representative for Bulgaria in international men's water polo.
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 Great Britain men's national water polo team is the representative for Great Britain in international men's water polo. The team has participated in eleven tournaments at the Summer Olympics. The dominant team in the sport in the early twentieth century, with four Olympic titles. The only major competition they have ever qualified for was the first world championships in 1973. They qualified for the London 2012 Olympics by virtue of their representing the host country.
The France men's national water polo team is the representative for France in international men's water polo.
The Kazakhstan men's national water polo team is the representative for Kazakhstan in international men's water polo.
The Slovakia men's national water polo team is the representative for Slovakia in international men's water polo. The guverning body is Slovak Water polo Union.
The Sweden men's national water polo team is the representative for Sweden in international men's water polo. The team has participated in eight tournaments at the Summer Olympics.
The Luxembourg men's national water polo team is the representative for Luxembourg in international men's water polo.
The Uruguay men's national water polo team is the representative for Uruguay in international men's water polo.
The New Zealand women's national water polo team represents the New Zealand in international women's water polo competitions and friendly matches.
The Germany women's national water polo team represents Germany in international women's water polo competitions and friendly matches.
The Cuba women's national water polo team represents Cuba in international women's water polo competitions.
The 2019 FINA Men's Water Polo World League was the 18th edition of the annual men's international water polo tournament. It was played between October 2018 and June 2019 and opened to all men's water polo national teams. After participating in a preliminary round, eight teams qualified to play in a final tournament, called the Super Final from 18–23 June 2019.
