Henry Burton Conyngham, 1st Marquess Conyngham,, known as The Lord Conyngham between 1787 and 1789, as The Viscount Conyngham between 1789 and 1797 and as The Earl Conyngham between 1797 and 1815, was an Ulster Scots courtier and politician of the Regency period. He served as Lord Steward between 1821 and 1830.
- Occupation
- politician
- Position held
- Member of the Privy Council of the United Kingdom, member of the House of Lords
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- December 26, 1766