John Marsh may refer to:
- John Marsh (died 1688/1689), governor of the Hudson's Bay Company
- John Marsh (composer) (1752-1828), English composer
- John Marsh (pioneer) (1799-1856), American pioneer and physician
- John Allmond Marsh (1894-1952), Canadian Member of Parliament
- John Otho Marsh, Jr. (born 1926), American congressman and Secretary of the Army
- John Marsh (newsreader) (born 1947), British newsreader
- John Marsh (fighter) (born 1970), American martial arts fighter
- John Marsh (footballer) (born 1948)
- Jon Marsh, musician in The Beloved
- Jack Marsh, Australian cricketer
- John Marsh (MP fl.1394-1397), MP for Bath (UK Parliament constituency)
- John Marsh (MP fl.1414-1421), MP for Bath (UK Parliament constituency)
Famous quotes containing the word john:
“Thou hast brought him a pardon from good King John.””
—Unknown. King John and the Abbot of Canterbury (l. 108)