Leaders of political parties in the United Kingdom Leaders in the European Parliament Leaders in the European Parliament

| Leader | Party | Leader_s_Seat | Number_of_Seats | Leader_since |
|---|---|---|---|---|
| Timothy Kirkhope | Conservative Party | Yorkshire and the Humber | 26 | 2008 |
| Nigel Farage | UK Independence Party | South East England | 13 | 1999 |
| Glenis Willmott | Labour Party | East Midlands | 13 | January 2009 |
| Fiona Hall | Liberal Democrats | North East England | 11 | 2009 |
| None | Green Party of England and Wales | N/A | 2 | N/A |
| Nick Griffin | British National Party | North West England | 2 | 2009 |
| Ian Hudghton | Scottish National Party | Scotland | 2 | 1998 |
| Jillian Evans | Plaid Cymru | Wales | 1 | 2009 |
| Bairbre de Brún | Sinn Féin | Northern Ireland | 1 | 2004 |
| Diane Dodds | Democratic Unionist Party | Northern Ireland | 1 | 2009 |
| Jim Nicholson | Ulster Conservatives and Unionists | Northern Ireland | 1 | 1998 |