This is a list of 2001 British incumbents.
Government
- Monarch
- Head of State – Elizabeth II, Queen of the United Kingdom (1952–2022)
- Prime Minister
- Head of Government – Tony Blair, Prime Minister of the United Kingdom (1997–2007)
- Deputy Prime Minister
- Deputy Head of Government – John Prescott, Deputy Prime Minister of the United Kingdom (1997–2007)
- Secretary of State for Foreign and Commonwealth Affairs
- Robin Cook, Secretary of State for Foreign and Commonwealth Affairs (1997–2001)
- Taken over by Secretary of State for Environment, Food and Rural Affairs
- Secretary of State for Environment, Food and Rural Affairs
- Margaret Beckett, Secretary of State for Environment, Food and Rural Affairs (2001–2007)
- Stephen Byers, Secretary of State for Transport (2001–2002)
- Archbishop of York
- David Hope, Archbishop of York (1995–2005)
Devolved Administrations
- First Minister of Northern Ireland
- David Trimble (1998–2002)
- Reg Empey (acting July–November 2001)
- Deputy First Minister of Northern Ireland
- Seamus Mallon (1998-2001)
- Mark Durkan (2001-2002)
- First Minister of Scotland
- Henry McLeish (2000–2001)
- Jack McConnell (2001–2007)
- First Minister of Wales
- Rhodri Morgan (2000–2009)
- Deputy First Minister of Wales
- Michael German (2000–2003)
- Jenny Randerson (acting July 2001–June 2002)
