Arthur Charles St John Lawson Johnston, 3rd Baron Luke KStJ was a British peer. He was one of the ninety hereditary peers elected to remain in the House of Lords after the passing of the House of Lords Act 1999 until his retirement in 2015.
- Occupation
- politician
- Position held
- member of the House of Lords, High Sheriff of Bedfordshire, council member
- Citizenship
- United Kingdom
- Born
- January 13, 1933
- Died