The Cheyne Baronetcy, of Leagart in the parish of Fetlar and North Yell in the County of Zetland, is a title in the Baronetage of the United Kingdom.^[1] It was created on 20 July 1908 for the surgeon and bacteriologist Sir Watson Cheyne. As of 2010 the title is held by his great-grandson, the fourth Baronet, who succeeded his father in 2007.

William Watson Cheyne (1920–1970), second son of the second Baronet, was a brigadier in the Queen's Own Highlanders, who married Laurel Audrey Hutchison, daughter of Lt Gen Sir Balfour Hutchison

Cheyne baronets, of Leagarth (1908)

• Sir (William) Watson Cheyne, 1st Baronet (1852–1932)
• Sir Joseph Lister Cheyne, 2nd Baronet (1888–1957) also known as R. Monroe.^[2]
• Sir Joseph Lister Watson Cheyne, 3rd Baronet (1914–2007)
• Sir Patrick John Lister Cheyne, 4th Baronet (born 1941)

The heir apparent is the present holder's son Louis Richard Patrick Lister Cheyne (born 1971).