The 34th Field Artillery Regiment is a field artillery regiment of the United States Army.

In August 1918, the 34th Field Artillery Regiment was activated for World War I at Fort McClellan, Alabama as a unit of 12th Field Artillery Brigade, 12th Division. It was commanded by Ralph McT. Pennell from September to December 1918. The Armistice of November 11, 1918 ended the war before the regiment departed for France, and it was inactivated in early 1919 during the post-war drawdown of army forces. The regiment was reconstituted as an inactive unit of the regular Army on July 22, 1929.

After service in the ETO, as the 34th Field Artillery Bn, it was redesignated as 2nd Bn, 34th FA, based in West Germany during the Cold War. In 1969, it deployed to Fort Lewis, Washington as part of the 212th Field Artillery Group. It was a nuclear capable, 155mm self propelled unit, with three firing batteries of M109 Howitzers and a service battery. It was a REFORGER unit acting as a deterrent to the Warsaw Pact invading the Fulda Gap. The Battalion frequently conducted training exercises at McCord AFB for rapid deployment to its parent command, VII Corps, live fire exercises at the Yakima Firing Center. When the 9th Infantry Division returned from Vietnam in May 1972, its division. Artillery, the 1st Bn/34th FA Regiment replaced the 2/34 FA which was moved to Fort Knox, KY. All Battalions of the 34th are entitled to wear the Presidential Unit Citation awarded to the 34th FA for its fire support stopping the 1943 German Offensive in Tunisia. Major William Westmoreland was the commanding office.. LTC Delreed Burgesson was the distinguished battalion commander of the 2/34 1970–71.