John Forsyth may refer to:
John Forsyth (clothier), Canadian shirtmaker John Forsyth (footballer) (born 1918), Scottish footballer John Forsyth (general) (1867–1928), Australian major general John Forsyth (politician) (1780–1841), American politician from Georgia John Forsyth Jr. (1812–1877), American newspaper editor and son of the namesake politician John Duncan Forsyth (1886 or 1887–1963), Scottish-American architect
See also John Forsythe (1918–2010), American actor