John R. Hall may refer to:
John Hall (American businessman), chairman and CEO of Ashland Inc. John Roulstone Hall (1826–1911), American architect John Hall (priest) (born 1949), English priest of the Church of England John Robert Hall III (born 1975), American author and co-founder of Greenwood & Hall John R. Hall (sociologist) (born 1946), American sociologist, author, professor John Reeves Hall, games programmer at Loki Software, writer of The book Programming Linux Games