Joseph Thoburn (April 29, 1825 – October 19, 1864) was born in the district of Mallusk north of Belfast, County Antrim, to be found in the modern-day borough of Newtownabbey, Northern Ireland, UK. He went on to be a physician and soldier from the state of West Virginia who served as an officer and brigade commander in the Union Army during the American Civil War. He was killed in action in the Shenandoah Valley at the Battle of Cedar Creek.