Peter St Thomas More Henry Hope, 4th Baron Rankeillour (29 May 1935 — 12 April 2005) was a Scottish landowner, farmer, and member of the House of Lords.
The son of Henry Hope, 3rd Baron Rankeillour (1899–1967), and a direct descendant of Sir Thomas Hope, 1st Baronet (1573–1646) and Charles Hope, 1st Earl of Hopetoun (1681–1742),[1] he was educated at Ampleforth College and succeeded his father as Baron Rankeillour in 1967, also inheriting an estate based at Achaderry House, Roy Bridge, Inverness-shire.
[2] He was an inventor of agricultural and horticultural equipment and stated his recreations as country pursuits and large-scale landscaping.
A keen yachtsman, in 1992 he was Rear Commodore of the House of Lords Yacht Club.
[2] Rankeillour died a bachelor and was succeeded by a cousin, Michael Richard Hope (born 1940).