John Metcalf

John Metcalf may refer to:
 * John Metcalf (athlete) (born 1934), British hurdler
 * John Metcalf (civil engineer) (1717–1810), British civil engineer
 * John Metcalf (composer) (born 1946), British (Welsh) and Canadian composer
 * John Metcalf (Massachusetts politician), a representative to the Great and General Court
 * John Metcalf (racing driver), NASCAR series driver, see 1999 NASCAR Winston Cup Series
 * John Metcalf (writer) (born 1938), Canadian writer and editor