Fergus Michael Claude Bowes-Lyon, 17th and 4th Earl of Strathmore and Kinghorne, DL (31 December 1928 – 19 August 1987) was a British landowner and peer.

Born on 31 December 1928, Strathmore was the eldest son of Michael Claude Hamilton Bowes-Lyon and Elizabeth Margaret Cator (1899–1959).

His paternal grandparents were the 14th Earl and Countess of Strathmore and Kinghorne, and his maternal grandfather was John Cator, Conservative MP for Huntingdon.

[3] Strathmore, then Captain Fergus Bowes-Lyon, married Mary Pamela McCorquodale (born 31 May 1932) at St Margaret's, Westminster, on 10 April 1956 in a ceremony attended by his cousin, the Queen.

[10][11] On 19 August 1987, Strathmore collapsed while shooting grouse on the grounds of Glamis Castle and died en route to hospital.