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, being 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 following is the British roster in the men's water polo tournament of the 2012 Summer Olympics.