The Green Howards (Alexandra, Princess of Wales's Own Yorkshire Regiment), frequently known as the Yorkshire Regiment until the 1920s, was a lineinfantry regiment of the British Army, in the King's Division. Raised in 1688, it served under various titles until it was amalgamated with the Prince of Wales's Own Regiment of Yorkshire and the Duke of Wellington's Regiment (West Riding), all Yorkshire-based regiments in the King's Division, to form the Yorkshire Regiment (14th/15th, 19th and 33rd/76th Foot) on 6 June 2006.

During the Second World War, the regiment was again increased in size, although not to as large an extent as in the 1914–1918 conflict. In all, twelve battalions saw service: the 1st, with 15th Infantry Brigade of the 5th Infantry Division, and 2nd regular army Battalions, the 4th and 5th Territorial Army Battalions, both serving with the 150th Infantry Brigade of the 50th (Northumbrian) Infantry Division, the 6th and 7th Battalions (both formed as 2nd Line duplicates of the 4th and 5th, when the Territorial Army was doubled in size in 1939, served with 69th Brigade, originally with the 23rd (Northumbrian) Division but later the 50th Division.