John Cock

John Co(c)k may refer to:


 * John Cock (MP for Sandwich), see Sandwich (UK Parliament constituency)
 * John Cock (MP died 1557), MP for Hertfordshire and Calne
 * John Cock (RAF officer), Australian-born fighter pilot of World War II
 * Jack Cock, footballer
 * John Cok (fl. 1420), MP for Chichester
 * John S. Cock (1801–1869), American politician and judge from Ohio