John Moffat

John Moffat may refer to:
 * John Alston Moffat (1825–1904), Canadian entomologist
 * John Moffat (physicist) (born 1932), professor and physicist
 * John Keith Moffat (born 1943), professor and biophysicist at the University of Chicago
 * John Moffat (missionary) (1835–1918), British missionary and imperial agent in southern Africa
 * John Moffat (mining pioneer) (1841–1918), Scottish-born mining entrepreneur in Australia
 * John Moffat (Royal Navy officer) (1919–2016), Royal Navy Fleet Air Arm pilot
 * John Moffatt (actor) (1922–2012), English actor and playwright