John Warburton Pennington CBE (29 August 1870 – 5 April 1945) was an Australian politician.
He was born in Navarre to hotelier and grazier Daniel Pennington and Helen Creamer.
He attended Queen's College, Melbourne, and worked for a St Arnaud storekeeper before establishing his own store at Bealiba.
He was appointed a Commander of the Order of the British Empire in 1926.
Pennington lost his seat in 1935, and died in Paradise in 1945.