The 1st Flintshire Rifle Volunteers, later 5th (Flintshire) Battalion, Royal Welch Fusiliers, was a Welsh unit of the British Army's auxiliary forces. First raised in 1860, it fought as infantry at Gallipoli), in Egypt and Palestine during World War I. Converted to the anti-tank role, it fought in the Battle of France, the Western Desert and Italy in World War II. It continued in the postwar Territorial Army until amalgamated with a neighbouring unit in 1956.