The Leith, later Leith-Buchanan Baronetcy, of Burgh St Peter in the County of Norfolk, is a title in the Baronetage of Great Britain.
[1] It was created on 21 November 1775 for Alexander Leith, Member of Parliament for Tregony.
The third Baronet married Jemima, daughter of Hector Macdonald Buchanan.
Their son the fourth Baronet assumed the additional surname of Buchanan in 1877.
Following the death of the 8th Baronet in a motor vehicle accident in 2018, the title passed to his son, the 9th Baronet; he also has not proven his claim to the title.