David Melville, 6th Earl of Leven (4 May 1722 – 9 June 1802) was the son of Alexander Melville, 5th Earl of Leven.
Grand Master of Scottish Freemasons 1759–61; Deputy Governor of the Bank of Scotland; a Lord of Police 1772–82; High Commissioner to the General Assembly of the Church of Scotland 1783–1801
On 29 July 1747, he married Wilhelmina Nisbet, daughter of William Nisbet and they had eight children: