The 19th Tennessee Infantry Regiment, or Nineteenth Tennessee Volunteer Infantry Regiment, was an infantry regiment in the Confederate States Army during the American Civil War. The 19th Tennessee fought in every major battle and campaign of the Army of Tennessee except the Battle of Perryville. 1st Lt. Robert D. Powell of Company K, killed at the Battle of Barbourville, Kentucky, is believed to be the first soldier killed in the Civil War outside of Virginia.