John MacArthur or Macarthur may refer to: J. Roderick MacArthur (1920–1984), American businessman John MacArthur (American pastor) (born 1939), American evangelical minister, televangelist, and author John Macarthur (priest), 20th-century provost of the Cathedral of the Isles in Scotland John Macarthur (wool pioneer) (1767–1834), Australian wool industry pioneer and Rum Rebel John D. MacArthur (1897–1978), American philanthropist John Gordon MacArthur, fictional murder victim from Agatha Christie's And Then There Were None John Knox MacArthur (1891–1918), American World War I flying ace John R. MacArthur (born 1956), American journalist John Stewart MacArthur (died 1920), Scottish inventor of the MacArthur-Forrest process for gold cyanidation (1887) See also John McArthur (disambiguation)