William à Court, 1st Baron Heytesbury, known as Sir William à Court, 2nd Baronet, from 1817 to 1828, was an English diplomat and Conservative politician.
- Occupation
- diplomat, politician
- Position held
- member of the 5th Parliament of the United Kingdom, Lord Lieutenant of Ireland, ambassador of the United Kingdom to Portugal, Ambassador of the United Kingdom of Great Britain and Ireland to the Russian Empire
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- July 11, 1779