John R. Hall

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 R. Hall (author) (born 1975), American author and co-founder of Greenwood & Hall
• John Reeves Hall (died 2005), games programmer at Loki Software and Treyarch
• John R. Hall (author, blogger, magician) (born 1958), founder of Hunting For Thompson.com and the author of Red, White, and the Blues.