John Jennings
John Jennings may refer to:
Politicians
- John Jenyns, MP
- John Jennings (Burton MP), British Conservative Party politician
- John Jennings (American politician), U.S. Representative from Tennessee, 1939–1951
- John Jennings (Australian politician), federal member for South Sydney and then Watson in the 1930s
- Jack Jennings (politician), member for the electoral district of Ross Smith, 1970–1977
- John Jennings (St Albans MP), English Member of Parliament
Musicians
- John Jennings (musician), American guitarist, multi-instrumentalist and producer
- John Jennings, bassist for British band The Ruts
Military
- John Jennings (Royal Navy officer), British admiral and politician
- John Jennings (British Army officer), who played a major part in the Battle of Carrickfergus
Others
- John Edward Jennings, American historical novelist
- John T. Jennings, president of the Royal Society of South Australia, 2008–2010
- Sir John Jennings (businessman), British oil industry executive officer, Chancellor of Loughborough University, 2003–2010
- John Jennings (clergyman), Canadian Presbyterian minister
- John Jennings (footballer), English footballer for Cardiff City, Middlesbrough and Preston
- John Jennings (physician), Irish doctor
- John Jennings (tutor), English dissenting tutor
- John Jennings (priest), Archdeacon of Westminster
- John Percival Jennings, horticultural adviser for the South Australian Department of Agriculture
- John Jennings (racing driver), participated in 1970 Greenville 200
- Midgley John Jennings, English missionary, founder of the SPG Mission to Delhi
- John C.T. Jennings, fictional hero of the Jennings books