| Honorific Prefix: | The Right Honourable |
| The Earl of Leven and Melville | |
| Birth Name: | Alexander Leslie-Melville |
| Birth Date: | 1749 11, df=y |
| Office: | Scottish representative peer |
| Term Start: | 4 December 1806 |
| Term End: | 29 April 1807 |
| Predecessor: | The Earl of Leven |
| Successor: | The Earl of Leven |
| Children: | 8; including David and John |
| Parents: | David Melville, 6th Earl of Leven Wilhelmina Nisbet |
| Party: | Whig |
Alexander Leslie-Melville, 7th Earl of Leven, 6th Earl of Melville (7 November 1749 - 22 February 1820) was a Scottish Whig politician and peer.
As the eldest son of David Melville, 6th Earl of Leven, he succeeded his father as Earl of Leven and Earl of Melville on 9 June 1802. Between 1806 and 1807 he sat in the House of Lords as a Scottish representative peer.
On 12 August 1784 he married Jane Thornton (11 February 1757 - 13 February 1818), daughter of John Thornton, and they had five sons and three daughters: