William Johnstone, 2nd Earl of Annandale and Hartfell, 1st Marquess of Annandale KT was a Scottish nobleman. He was the son of James Johnstone, 1st Earl of Annandale and Hartfell and Henrietta Douglas. He succeeded to the Earldom of Annandale and Hartfell on the death of his father in 1672.
- Occupation
- judge
- Position held
- member of the House of Lords
- Born
- February 17, 1664
- Died
- January 14, 1721
