Dudley Francis Stuart Ryder, 3rd Earl of Harrowby, known as Viscount Sandon from 1847 to 1882, was a British peer and politician.
- Occupation
- politician, justice of the peace, count
- Position held
- President of the Board of Trade, Member of the Privy Council of the United Kingdom, member of the 22nd Parliament of the United Kingdom, member of the 21st Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- January 16, 1831