Adrian John Charles Hope, 4th Marquess of Linlithgow (born 1 July 1946), styled Viscount Aithrie until 1952 and Earl of Hopetoun between 1952 and 1987, is a British peer.

The couple had two children before divorcing in 1978 (she is now Countess De La Warr as wife of William Sackville, 11th Earl De La Warr).

He married, thirdly, Auriol Veronica Mackeson-Sandbach, daughter of Captain Graham Lawrie Mackeson-Sandbach and Geraldine Pamela Violet Sandbach, on 1 November 1997.

The current Marquess is expected to be succeeded by his eldest son, Andrew, Earl of Hopetoun.

[3] Lord and Lady Hopetoun took part in the Queen's carriage procession at Royal Ascot.