John MacArthur may refer to:
- John Macarthur (wool pioneer) (1766–1834), Australian wool industry pioneer and Rum Rebel
- John McArthur, Jr. (1823-1890), American architect
- John McArthur (1826–1906), Union general during the American Civil War
- John McArthur (footballer), Australian rules player
- John Duncan McArthur (1854-1927), Canadian industrialist and railway builder
- John Seward MacArthur, inventor of the MacArthur-Forrest Process for gold cyanidation in Glasgow, Scotland in 1887
- John D. MacArthur (1897–1978), American philanthropist
- John H. McArthur (born 1935), Dean, Harvard Business School
- John F. MacArthur (born 1939), American evangelical minister and author
- John R. MacArthur (born 1956), American journalist
- John A. McArthur, New Zealand diplomat and eldest son of John G. McArthur, see List of Ambassadors from New Zealand
- John G. McArthur, New Zealand diplomat, see List of Ambassadors from New Zealand
- John Knox MacArthur, (1891-1918), American World War I flying ace
- General John Gordon MacArthur, a fictional murder victim from Agatha Christie's And Then There Were None
Famous quotes containing the words john and/or macarthur:
“Love-light of Spain—hurrah!
Death-light of Africa!
Don John of Austria
Is riding to the sea.”
—Gilbert Keith Chesterton (1874–1936)
“Like the old soldier of the ballad, I now close my military career and just fade away, an old soldier who tried to do his duty as God gave him the light to see that duty. Goodbye.”
—Douglas MacArthur (1880–1964)