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