The Yeomanry Mounted Brigade was a formation of the Territorial Force of the British Army, raised in January 1915 during the First World War.

After service in the Gallipoli Campaign and with the Western Frontier Force in World War I, it was broken up in March 1916.

[4] Each regiment left a squadron headquarters and two troops (about 100 officers and men) in Egypt to look after the horses.

[7] Due to losses during the Battle of Scimitar Hill and wastage during August 1915, the 2nd Mounted Division had to be reorganised.

[6] The brigade left the 2nd Mounted Division on 7 December, was reformed and remounted, and joined the Western Frontier Force.