The 21st Light Dragoons was a cavalry regiment of the British Army.
It was raised on 5 April 1760, as the 21st Light Dragoons (Royal Foresters) by John Manners, Marquess of Granby, and Lord Robert Manners-Sutton.
[1] It was raised again in 1779 by Major-General John Douglas and disbanded in Canterbury in 1783.
[2] The regiment was raised a third time in 1794 in the north of England when it was also known as the Yorkshire Light Dragoons, served in Ireland during the Napoleonic Wars and was disbanded in Chatham in 1819.
In 1816 it sent men to the Capture of Tristan de Cunha, and to the Third Anglo-Maratha War.