Fergus Michael Claude Bowes-Lyon, 17th and 4th Earl of Strathmore and Kinghorne (31 December 1928 – 19 August 1987), was a British nobleman and peer. He was a nephew of The Queen Mother (born Elizabeth Bowes-Lyon). He was a first cousin of Queen Elizabeth II and Princess Margaret.
He was the son of Capt. The Hon. Michael Claude Hamilton Bowes-Lyon and Elizabeth Margaret Cator. His paternal grandparents were Claude Bowes-Lyon, 14th Earl of Strathmore and Kinghorne and Cecilia Cavendish-Bentinck.
He married Mary Pamela McCorquodale on 10 April 1956. They had three children:
He inherited the earldom of Strathmore and Kinghorne upon the death of his first cousin Timothy Bowes-Lyon, 16th Earl of Strathmore and Kinghorne. He was succeeded by his son.