John Forbes may refer to:
- John Forbes (architect) (1795?–?), British architect
- John Forbes (botanist) (1799–1823), English botanist
- John Forbes (British Army officer) (1707–1759), British General in the French and Indian War
- John Forbes (clergyman) (1740–1783), Scottish clergyman
- John Forbes (friar) (1571–1606), Scottish Capuchin friar
- John Forbes (general in the Portuguese service) (1733–1808), Scottish general in the Portuguese service
- John Forbes (physician) (1787–1861), Scottish physician
- John Forbes (poet) (1950–1998), Australian poet
- John Forbes (politician) (c. 1673–1734), Scottish member of the British Parliament for Inverness-shire, 1715–1722
- John Forbes (preacher) (1568?–1634), Scottish minister exiled by James VI and I
- John Forbes (publisher) (died 1665), Scottish music publisher; published first printed secular music in Scotland
- John Forbes (Royal Navy officer) (1714–1796), British Admiral and politician
- John Forbes (sailor) (born 1970), Australian Olympian sailor
- John Forbes (theologian) (1593–1648), Scottish theologian; one of the six "Aberdeen doctors"
- John Hay Forbes (1776–1854), Scottish judge
- John Morrison Forbes (born 1925), British Admiral
- John Murray Forbes (1813–1898), American banker and railroad president
- John Forbes (footballer) (1862–1928), Scottish footballer
- John Malcolm Forbes (1847–1904), American businessman, yachtsman and horseman
- John Forbes (music producer) (born 1964), composer and music producer
- John Ripley Forbes, American naturalist and conservationist
Famous quotes containing the word john:
“Take heed of enemies reconciled, and of meat twice boiled.”
—Collected in John Ray, English Proverbs. English proverb (1670)