John H. Hall may refer to: John H. Hall (gunsmith) (1781–1841), inventor who perfected the American system of manufacturing using interchangeable parts John H. Hall (inventor) (1932–2014), American low-power CMOS pioneer and entrepreneur John Herbert Hall, English First World War flying ace John Hicklin Hall (1854–1937), politician and attorney in Oregon John Hubert Hall (1899–1970), governor of Oregon See also John Hall (disambiguation)