John Root (disambiguation)

John Root may refer to:

• John Root (19th c.), Swedish immigrant to Louisiana who killed Eric Jansson (died 1850)
• John Root (19th–20th c.), U.S. baseball player who played in the Missouri Valley League
• John B. Root (born 1958, as Jean Guilloré), French porn director
• John Henry Haines Root (1908–1991), Canadian politician
• John Wellborn Root Sr. (1850–1891), U.S. architect
• John Wellborn Root Jr. (1887–1963), U.S. architect
• William John Root (born 1959), Canadian ice hockey player
• John Arthur Root (1876–1963), Hungarian-born American boxer and first light heavyweight champion; known as Jack Root