William Keith-Falconer, 6th Earl of Kintore, 8th Lord Falconer of Halkerton, 6th Lord Keith of Inverurie and Keith Hall (11 December 1766 – 6 October 1812), was a Dutch-Scottish aristocrat.

[2] His mother was a daughter of Jan Albert Sichterman of Groningen, the Intendant General of the Dutch Settlements in the East Indies and Director and Fiscal of Bengal in 1734.

[3] He gained the rank of Officer in the 2nd Dragoons (Royal Scots Greys).

[4] Upon the death of his father on 30 August 1804, he succeeded as the 6th Earl of Kintore, 6th Lord Keith of Inverurie and Keith Hall, and 8th Lord Falconer of Halkerton, all in the Peerage of Scotland (the first two titles were created in 1677 and the latter was created in 1647).

[1] On 18 June 1793, Keith-Falconer was married to Maria Bannerman (c. 1770–1826), a daughter of Sir Alexander Bannerman, 6th Baronet and the former Mary Gordon (a daughter of Sir James Gordon of Banchory).