John Moffat

• John Alston Moffat, Canadian entomologist
• John Moffat (physicist), professor and physicist
• John Keith Moffat, professor and biophysicist at the University of Chicago
• John Moffat (missionary), British missionary and imperial agent in southern Africa
• John Moffat (mining pioneer), Scottish-born mining entrepreneur in Australia
• John Moffat (Royal Navy officer), Royal Navy Fleet Air Arm pilot
• John Moffatt (actor), English actor and playwright