George William James Chandos Brudenell-Bruce, 6th Marquess of Ailesbury, DSO, TD, KStJ, DL, JP (21 May 1873 – 4 August 1961), styled Earl of Cardigan between 1894 and 1911, was a British peer and an officer of the auxiliary forces.

Lord Ailesbury served in the 3rd (Highland Borderers Militia) Battalion, Argyll and Sutherland Highlanders; the Royal Wiltshire Yeomanry; the Middlesex Yeomanry; the Wiltshire Regiment; and the Royal Field Artillery Lord Cardigan was promoted to the rank of captain in the Royal Wiltshire Yeomanry on 3 September 1898, supernumerary to the establishment.

[2] He fought with the regiment in the Second Boer War, for which he was mentioned in dispatches, and was appointed a Companion of the Distinguished Service Order in November 1900.

Postwar he commanded 220 (Wiltshire) Battery in 55th (Wessex) Brigade, Royal Field Artillery.

[6] According to his son Cedric, George "Chandos" was involved in the process of converting the family estate and its surrounding forest into a munitions depot and military base during the Second World War.