Archibald Kennedy, 1st Marquess of Ailsa, KT, FRS, styled Lord Kennedy between 1792–4 and known as the Earl of Cassillis between 1794 and 1831, was a Scottish peer.
- Occupation
- politician
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- February 1770
- Died
- September 8, 1846