John Sheffield
Jon or John Sheffield may refer to:
English peers and politicians
- John Sheffield, 2nd Baron Sheffield
- John Sheffield (MP), MP for Lincolnshire (UK Parliament constituency)#MPs 1290-1640, 1601–1614
- John Sheffield, 1st Duke of Buckingham and Normanby, poet and politician
Sportspeople
- John Sheffield (British [Army officer)], British Army officer and Olympic hurdler
- Jon Sheffield, English football goalkeeper