John Hewitt

• Jack Hewitt
• John Haskell Hewitt
• John Hewet (disambiguation)
• John Hewett (disambiguation)
• John Hewitt (antiquary)
• John Hewitt (entrepreneur)
• John Hewitt (footballer)
• John Hewitt (herpetologist)
• John Hewitt (pentathlete)
• John Hewitt (poet)
• John Hewitt (priest)
• John Hill Hewitt
• John K. Hewitt
• John Marshall Hewitt
• John Napoleon Brinton Hewitt
• Jonathan Hewitt
• Ringworld (role-playing game)
• The John and Vivian Hewitt Collection of African-American Art