People named John Walton include:
- John Walton (delegate) (1738–1783), Georgia Continental Congressman, signer of the Articles of Confederation
- Sir John Walton, an Attorney General of England and Wales
- John C. Walton, former governor of Oklahoma
- John T. Walton (1946–2005), son of Walmart founder Sam Walton
- John Walton (darts player), former BDO World Darts Championship
- John Walton (actor) - Australian actor
- John Ike Walton, Founding member of 13th Floor Elevators a 1960's Texas rock group
- John William Walton - 1818 to 1896 - Noted Alabama and Tennessee businessman
- John Walton (Formula One) - a late Formula One team manager
- John Walton (broadcaster), play-by-play broadcaster, Hershey Bears, Hershey PA
- John Walton (adult photographer and director)
- "John-Boy" Walton and John Walton Sr. were characters on the US television series The Waltons
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