The Duke of York's Own Loyal Suffolk Hussars was a Yeomanry regiment of the British Army. Originally formed as a volunteer cavalry force in 1793, it fought in the Second Boer war as part of the Imperial Yeomanry. In the World War I the regiment fought at Gallipoli, in Palestine and on the Western Front. The unit was subsequently converted into a Royal Artillery unit, serving in the anti-tank role North Africa, Italy and France during World War II. The lineage is maintained by No. 677 (Suffolk and Norfolk Yeomanry) Squadron AAC.