John Diamond may refer to:
- John Diamond (dancer) (1823–1857), Irish-American dancer
- John Diamond (journalist) (1953–2001), British broadcaster and journalist
- John Diamond, Baron Diamond (1907–2004), British Labour politician
- John Diamond, 1980 children's novel by author Leon Garfield
- Jon P. Diamond (born 1957), American entrepreneur
- John Diamond (doctor) (born 1934), American doctor
Famous quotes containing the words john and/or diamond:
“His spiritual life has been exaggerated by a chronic attack of mental gallstones.”
—Oliver St. John Gogarty (1878–1957)
“A poet who makes use of a worse word instead of a better, because the former fits the rhyme or the measure, though it weakens the sense, is like a jeweller, who cuts a diamond into a brilliant, and diminishes the weight to make it shine more.”
—Horace Walpole (1717–1797)