John Hargreaves
John Hargreaves may refer to:
- John Hargreaves (businessman), founder of British discount retailer Matalan
- John Hargreaves (actor), Australian actor
- John Hargreaves (Australian Capital Territory politician), member of the Australian Capital Territory Legislative Assembly
- John Hargreaves (Queensland politician), member of the Queensland Legislative Assembly
- John Hargreaves (cricketer), English cricketer
- John Hargreaves (footballer), England international footballer
- John D. Hargreaves, professor of history at the University of Aberdeen
- John Hargreaves (carrier), English carrier and businessman
- John Hargreaves (early railway operator), English carrier, railway entrepreneur and manufacturing businessman
- John Hargreaves (snooker player), English snooker player