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.
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.
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.
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.