John Guest
# John Guest

John Guest may refer to:

## People

* John Guest (judge) (died 1707), Chief Justice of the Supreme Court of Pennsylvania
* John Guest (1722–1785), British businessman and patriarch of the Guest family
* John Josiah Guest (1785–1852), British industrialist
* John Guest (naval officer) (1822–1879), United States Navy officer
* John Guest (politician) (1867–1931), British Labour Party Member of Parliament
* Jack Guest (1906–1972), Canadian rowing Olympic medal winner
* John Rodney Guest (born 1935), British microbiologist
* John Guest (geologist) (1938–2012), British volcanologist and planetary scientist

## Other

* John Guest (company), British manufacturer of push-in fittings, pipe and plastic plumbing systems
