Sir William Augustus Cunynghame of Livingstone, 4th Baronet of Milncraig (1747–1828) was a Scottish politician who sat in the House of Commons of Great Britain from 1774 to 1790.
- Occupation
- politician
- Position held
- member of the 14th Parliament of Great Britain, member of the 15th Parliament of Great Britain, member of the 16th Parliament of Great Britain
- Citizenship
- Kingdom of Great Britain
- Born
- April 19, 1747, April 8, 1747
- Died
- January 17, 1828