John Haynes may refer to: John Haynes (governor) (1594–1653/54), colonial governor of Massachusetts and Connecticut John Haynes (draughtsman) (fl. 1730–1750), British draughtsman and engraver John Earl Haynes, American historian John Haynes (journalist) (1850–1917), Australian journalist John Haynes (cricketer), English 18th century cricketer John C. Haynes & Co., American maker of musical instruments (late 19th century) Johnny Haynes (1934–2005), English footballer John Carmichael Haynes (1831–1888), Irish-born rancher, judge and public servant in British Columbia John Randolph Haynes (1853–1937), California socialist John Haynes, Jr. (born 1937), family physician, surgeon and community leader of Northwest Louisiana and Northeast Texas John Henry Haynes (1849–1910), American traveller, archaeologist, and photographer