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