John Frost may refer to:
- John Frost (Chartist) (1784–1877), Welsh Chartist
- John Frost (aviator), member of Early Birds of Aviation
- John Frost (British Army officer) (1912–1993), British army officer, served in Operation Market Garden
- John Carver Meadows Frost (1915–1979), British aircraft designer for the Avro Aircraft Company amongst others
- John Frost (footballer) (born 1980), Irish footballer
- John Frost (SAAF officer) (1918–1942), highest scoring air ace with a South African Air Force unit
- John Frost (cricketer) (1847–1916), English cricketer
- John Frost (tennis), American tennis player of the 1950s and 60s
- John K. Frost (1922–1990), cytopathologist at Johns Hopkins Hospital
- John Frost (politician) (1818–1918), Anglo-South African cabinet minister and landowner
Famous quotes containing the words john and/or frost:
“I have a Vision of the Future, chum.
The workers’ flats in fields of soya beans
Tower up like silver pencils, score on score.”
—Sir John Betjeman (1906–1984)
“It may be a mercy the dark closes round us
So broodingly soon in every direction.”
—Robert Frost (1874–1963)