The 20th Field Artillery Regiment is an field artillery regiment of the United States Army constituted 1 July 1916 in the Regular Army. It served in France during the First World War with the 5th Division, at St. Mihiel and Lorraine before deactivation on 5 September 1921 at Camp Bragg, North Carolina. Currently, the regiment has only a single battalion on active service; the 2nd Battalion.