List of professional sports teams in the United Kingdom

This article features a listing of all professional sports teams based in the United Kingdom, in addition to teams from other countries that compete in professional leagues featuring teams from the United Kingdom.

United Rugby Championship
7 of the 16 teams in the United Rugby Championship operate within the United Kingdom - 2 in Scotland, 4 in Wales, and 1 in Northern Ireland (although this team also represents three counties in Ireland. The remaining teams; 3 in Ireland, 2 in Italy and 4 in South Africa play away matches in the UK, but are based outside it.

Super League
1 Super League team, Catalan Dragons, play all their away fixtures in the United Kingdom, but are based in France, playing their home fixtures there.

The Hundred
Eight new franchises were created for the new hundred-ball format by the England and Wales Cricket board, each featuring a men's and a women's team.

Inter-Provincial Championship
Two of the four teams in the all-island Inter-Provincial Championship operate in Northern Ireland. Both teams' home grounds do not have a permanent stand but are able to host crowds of the following capacities as required:

International Swimming League
One team from the United Kingdom, London Roar, compete in the International Swimming League