Countess of Strathmore is a title given to the wife of the Earl of Strathmore. Women who have held this title include:
Elizabeth Lyon, Countess of Strathmore and Kinghorne (1663 to 1723) Susan Lyon, Countess of Strathmore and Kinghorne (c. 1709–1754) Mary Bowes, Countess of Strathmore and Kinghorne (1749–1800) Frances Bowes-Lyon, Countess of Strathmore and Kinghorne (1832–1922) Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne (1862–1938) Mary Bowes-Lyon, Countess of Strathmore and Kinghorne (1932–2025)