List of ambassadors of Great Britain to Portugal

Ambassador of Great Britain to Portugal
Arms of Great Britain
Style	His Excellency
Residence	Lisbon
Appointer	The monarch
Inaugural holder	Sir Paul Methuen First Ambassador of Great Britain to Portugal
Final holder	John Hookham Frere Last Ambassador of Great Britain to Portugal (Chargé d'Affaires)

The Ambassador of Great Britain to Portugal was the foremost diplomatic representative in Portugal of the Kingdom of Great Britain, created by the Treaty of Union in 1707, in charge of the British diplomatic mission.

For Ambassadors from the Court of St James's to Portugal before 1707 see List of ambassadors of the Kingdom of England to Portugal. For Ambassadors after 1800, see List of Ambassadors from the United Kingdom to Portugal.