Robert Arthur Lytton Balfour, 3rd Earl of Balfour, styled Viscount Traprain between 1930 and 1945, was a Scottish peer.
- Occupation
- military personnel, politician
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- December 31, 1902
- Died
- November 28, 1968