Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne, known as Lord Henry Petty from 1784 to 1809, was a British statesman. In a ministerial career spanning nearly half a century, he notably served as Home Secretary and Chancellor of the Exchequer and was three times Lord President of the Council, serving in every Whig or Liberal Ministry from 1806 to 1863.
- Occupation
- politician, statistician
- Position held
- member of the 4th Parliament of the United Kingdom, Chancellor of the Exchequer, Home Secretary, Lord President of the Council
- Citizenship
- United Kingdom of Great Britain and Ireland
