John Halliday

John Halliday may refer to:


 * John Halliday (actor) (1880–1947), American actor
 * John Halliday (ophthalmologist) (1871–1946), Australian doctor
 * John Halliday (footballer) (born 1880), English professional footballer
 * John Halliday (died 1805) (c. 1737–1805), British politician who sat in the House of Commons from 1775 to 1784
 * John Halliday (died 1754) (c. 1709–1754), British politician who sat in the House of Commons in 1754
 * John Halliday (cricketer) (1915–1945), English cricketer