Major General David Murray Murray-Lyon, DSO & Bar, MC (14 August 1890 – 4 February 1975) was an officer in the British Indian Army.
He transferred to the 3rd Battalion (Depot), King's Own Scottish Borderers, as part of the reserve of officers, in 1910.
In 1911 Murray-Lyon became a regular army officer and was transferred to the 1st Battalion, Highland Light Infantry based in Lucknow, India.
During the battles of 1915, Murray-Lyon was promoted to temporary captain and wounded twice and was mentioned in despatches and received the Military Cross for his actions in Flanders.
In April 1918 he was promoted to temporary lieutenant colonel and took command of the 2nd Battalion of the Highland Light Infantry.
In 1927 he transferred across to the British Indian Army and in 1932 he was promoted to lieutenant colonel and took command of the 2nd Battalion, 4th Prince of Wales's Own Gurkha Rifles.
Murray-Lyon's 11th Indian Division was based in the north of Malaya, focused on the border with Thailand.