The Ambassador of the United Kingdom to Austria is the United Kingdom's foremost diplomatic representative in the Republic of Austria, and head of the UK's diplomatic mission in Vienna. The official title is His Britannic Majesty's Ambassador to the Republic of Austria. For the ambassadors from the Court of St James's up to 1707, see List of ambassadors of the Kingdom of England to the Holy Roman Emperor and for the period 1707 to 1800 see List of ambassadors of Great Britain to the Holy Roman Emperor.