John Kern may refer to: John Kern (Iowa politician) (1833–1889), member of the Iowa Senate John W. Kern (1849–1917), American Democratic politician from Indiana John W. Kern Jr. (1900–1971), mayor of the city of Indianapolis, Indiana John W. Kern III (1928–2018), judge of the District of Columbia Court of Appeals John Kern (chef), Dutch Michelin starred chef of De Hooge Heerlijkheid