John Draper may refer to:
- John Draper (1943–), American computer hacker and phone phreaker who used the pseudonym "Captain Crunch"
- John Christopher Draper (1835–1885), American chemist, a son of John William Draper and brother of Henry Draper
- John William Draper (1811–1882), American (English-born) scientist, philosopher, physician, chemist, historian and photographer
- John Draper (MP for New Shoreham), 1413–1416, MP for New Shoreham (UK Parliament constituency)
- John Draper (MP for Rochester), in 1420, MP for Rochester (UK Parliament constituency)
- John Draper (motorcyclist) (1939–2002), English professional motorcycle racer
This disambiguation page lists articles about people with the same name.
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