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 word diamond:
“I really think that American gentlemen are the best after all, because kissing your hand may make you feel very very good but a diamond and a sapphire bracelet lasts forever.”
—Anita Loos (1893–1981)